16505031704 has 32 divisors (see below), whose sum is σ = 35495640480. Its totient is φ = 7048041984.

The previous prime is 16505031691. The next prime is 16505031713. The reversal of 16505031704 is 40713050561.

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, 516497 + ... + 547520.

It is an arithmetic number, because the mean of its divisors is an integer number (1109238765).

Almost surely, 2^16505031704 is an apocalyptic number.

16505031704 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

16505031704 is an abundant number, since it is smaller than the sum of its proper divisors (18990608776).

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

16505031704 is a wasteful number, since it uses less digits than its factorization.

16505031704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064307 (or 1064303 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 32.

The spelling of 16505031704 in words is "sixteen billion, five hundred five million, thirty-one thousand, seven hundred four".