16793568100 has 27 divisors (see below), whose sum is σ = 36444855097. Its totient is φ = 6716908880.

The previous prime is 16793568097. The next prime is 16793568119. The reversal of 16793568100 is 186539761.

It is a happy number.

The square root of 16793568100 is 129590.

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

It can be written as a sum of positive squares in only one way, i.e., 6045684516 + 10747883584 = 77754^2 + 103672^2 .

It is a super-2 number, since 2×16793568100² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1289421 + ... + 1302379.

Almost surely, 2^16793568100 is an apocalyptic number.

16793568100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16793568100 is the 129590-th square number.

It is an amenable number.

16793568100 is an abundant number, since it is smaller than the sum of its proper divisors (19651286997).

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

16793568100 is an frugal number, since it uses more digits than its factorization.

16793568100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25932 (or 12966 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 46.

The spelling of 16793568100 in words is "sixteen billion, seven hundred ninety-three million, five hundred sixty-eight thousand, one hundred".