16875568836 has 135 divisors (see below), whose sum is σ = 51368518047. Its totient is φ = 4816914480.

The previous prime is 16875568817. The next prime is 16875568849. The reversal of 16875568836 is 63886557861.

It is a happy number.

The square root of 16875568836 is 129906.

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

16875568836 is a `hidden beast` number, since 1 + 68 + 7 + 5 + 568 + 8 + 3 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 16367641 + ... + 16368671.

Almost surely, 2^16875568836 is an apocalyptic number.

16875568836 is the 129906-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16875568836

16875568836 is an abundant number, since it is smaller than the sum of its proper divisors (34492949211).

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

16875568836 is an equidigital number, since it uses as much as digits as its factorization.

16875568836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2092 (or 1043 counting only the distinct ones).

The product of its digits is 58060800, while the sum is 63.

The spelling of 16875568836 in words is "sixteen billion, eight hundred seventy-five million, five hundred sixty-eight thousand, eight hundred thirty-six".