195625751616 has 105 divisors (see below), whose sum is σ = 579990426631. Its totient is φ = 65197968768.

The previous prime is 195625751611. The next prime is 195625751621. The reversal of 195625751616 is 616157526591.

It is a happy number.

The square root of 195625751616 is 442296.

It is a perfect power (a square), and thus also a powerful number.

195625751616 is a `hidden beast` number, since 1 + 9 + 5 + 6 + 2 + 575 + 1 + 61 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (195625751611) and next prime (195625751621).

It is a super-2 number, since 2×195625751616² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (195625751611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 31842241 + ... + 31848383.

Almost surely, 2^195625751616 is an apocalyptic number.

195625751616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

195625751616 is the 442296-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 195625751616

195625751616 is an abundant number, since it is smaller than the sum of its proper divisors (384364675015).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

195625751616 is an frugal number, since it uses more digits than its factorization.

195625751616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12310 (or 6148 counting only the distinct ones).

The product of its digits is 3402000, while the sum is 54.

The spelling of 195625751616 in words is "one hundred ninety-five billion, six hundred twenty-five million, seven hundred fifty-one thousand, six hundred sixteen".