16980033726 has 24 divisors (see below), whose sum is σ = 38152669464. Its totient is φ = 5660011080.

The previous prime is 16980033701. The next prime is 16980033737. The reversal of 16980033726 is 62733008961.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17468685 + ... + 17469656.

It is an arithmetic number, because the mean of its divisors is an integer number (1589694561).

Almost surely, 2^16980033726 is an apocalyptic number.

16980033726 is an abundant number, since it is smaller than the sum of its proper divisors (21172635738).

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

16980033726 is an equidigital number, since it uses as much as digits as its factorization.

16980033726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34938358 (or 34938346 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The spelling of 16980033726 in words is "sixteen billion, nine hundred eighty million, thirty-three thousand, seven hundred twenty-six".