190261716100 has 81 divisors (see below), whose sum is σ = 421316792463. Its totient is φ = 74578021440.

The previous prime is 190261716083. The next prime is 190261716179. The reversal of 190261716100 is 1617162091.

The square root of 190261716100 is 436190.

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

It can be written as a sum of positive squares in 4 ways, for example, as 1433228164 + 188828487936 = 37858^2 + 434544^2 .

It is a super-2 number, since 2×190261716100² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 231180289 + ... + 231181111.

Almost surely, 2^190261716100 is an apocalyptic number.

190261716100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

190261716100 is the 436190-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 190261716100

190261716100 is an abundant number, since it is smaller than the sum of its proper divisors (231055076363).

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

190261716100 is an frugal number, since it uses more digits than its factorization.

190261716100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1766 (or 883 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 34.

Adding to 190261716100 its reverse (1617162091), we get a palindrome (191878878191).

The spelling of 190261716100 in words is "one hundred ninety billion, two hundred sixty-one million, seven hundred sixteen thousand, one hundred".