195604894656 has 112 divisors (see below), whose sum is σ = 575559936000. Its totient is φ = 65142925056.

The previous prime is 195604894543. The next prime is 195604894657. The reversal of 195604894656 is 656498406591.

195604894656 is a `hidden beast` number, since 1 + 9 + 5 + 60 + 489 + 46 + 56 = 666.

It is a super-2 number, since 2×195604894656² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 195604894593 and 195604894602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195604894657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1890145 + ... + 1990943.

It is an arithmetic number, because the mean of its divisors is an integer number (5138928000).

Almost surely, 2^195604894656 is an apocalyptic number.

195604894656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 195604894656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287779968000).

195604894656 is an abundant number, since it is smaller than the sum of its proper divisors (379955041344).

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

195604894656 is a wasteful number, since it uses less digits than its factorization.

195604894656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101943 (or 101927 counting only the distinct ones).

The product of its (nonzero) digits is 55987200, while the sum is 63.

The spelling of 195604894656 in words is "one hundred ninety-five billion, six hundred four million, eight hundred ninety-four thousand, six hundred fifty-six".