16926692858 has 4 divisors (see below), whose sum is σ = 25390039290. Its totient is φ = 8463346428.

The previous prime is 16926692851. The next prime is 16926692873. The reversal of 16926692858 is 85829662961.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 9000886129 + 7925806729 = 94873^2 + 89027^2 .

It is a super-2 number, since 2×16926692858² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16926692858.

It is not an unprimeable number, because it can be changed into a prime (16926692851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4231673213 + ... + 4231673216.

Almost surely, 2^16926692858 is an apocalyptic number.

16926692858 is a deficient number, since it is larger than the sum of its proper divisors (8463346432).

16926692858 is an equidigital number, since it uses as much as digits as its factorization.

16926692858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8463346431.

The product of its digits is 22394880, while the sum is 62.

The spelling of 16926692858 in words is "sixteen billion, nine hundred twenty-six million, six hundred ninety-two thousand, eight hundred fifty-eight".