16704905690 has 64 divisors (see below), whose sum is σ = 33019539840. Its totient is φ = 6034448640.

The previous prime is 16704905677. The next prime is 16704905741. The reversal of 16704905690 is 9650940761.

It is a super-2 number, since 2×16704905690² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13503752 + ... + 13504988.

It is an arithmetic number, because the mean of its divisors is an integer number (515930310).

Almost surely, 2^16704905690 is an apocalyptic number.

16704905690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16704905690 is a deficient number, since it is larger than the sum of its proper divisors (16314634150).

16704905690 is a wasteful number, since it uses less digits than its factorization.

16704905690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1967.

The product of its (nonzero) digits is 408240, while the sum is 47.

The spelling of 16704905690 in words is "sixteen billion, seven hundred four million, nine hundred five thousand, six hundred ninety".