16864731790 has 32 divisors (see below), whose sum is σ = 30794132160. Its totient is φ = 6649288704.

The previous prime is 16864731773. The next prime is 16864731791. The reversal of 16864731790 is 9713746861.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16864731791) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170287 + ... + 250453.

It is an arithmetic number, because the mean of its divisors is an integer number (962316630).

Almost surely, 2^16864731790 is an apocalyptic number.

16864731790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16864731790 is a deficient number, since it is larger than the sum of its proper divisors (13929400370).

16864731790 is a wasteful number, since it uses less digits than its factorization.

16864731790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80476.

The product of its (nonzero) digits is 1524096, while the sum is 52.

The spelling of 16864731790 in words is "sixteen billion, eight hundred sixty-four million, seven hundred thirty-one thousand, seven hundred ninety".