16249042164 has 48 divisors (see below), whose sum is σ = 38204449920. Its totient is φ = 5375072640.

The previous prime is 16249042163. The next prime is 16249042207. The reversal of 16249042164 is 46124094261.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16249042163) 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, 845122 + ... + 864134.

It is an arithmetic number, because the mean of its divisors is an integer number (795926040).

Almost surely, 2^16249042164 is an apocalyptic number.

It is an amenable number.

16249042164 is an abundant number, since it is smaller than the sum of its proper divisors (21955407756).

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

16249042164 is a wasteful number, since it uses less digits than its factorization.

16249042164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19560 (or 19558 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The spelling of 16249042164 in words is "sixteen billion, two hundred forty-nine million, forty-two thousand, one hundred sixty-four".