16705126992 has 40 divisors (see below), whose sum is σ = 43340154624. Its totient is φ = 5544473344.

The previous prime is 16705126979. The next prime is 16705127017. The reversal of 16705126992 is 29962150761.

It is a super-2 number, since 2×16705126992² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 735648 + ... + 758015.

Almost surely, 2^16705126992 is an apocalyptic number.

16705126992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16705126992 is an abundant number, since it is smaller than the sum of its proper divisors (26635027632).

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

16705126992 is a wasteful number, since it uses less digits than its factorization.

16705126992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1493907 (or 1493901 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 48.

The spelling of 16705126992 in words is "sixteen billion, seven hundred five million, one hundred twenty-six thousand, nine hundred ninety-two".