16249042168 has 32 divisors (see below), whose sum is σ = 30552508800. Its totient is φ = 8101742688.

The previous prime is 16249042163. The next prime is 16249042207. The reversal of 16249042168 is 86124094261.

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 7 ways as a sum of consecutive naturals, for example, 6054955 + ... + 6057637.

It is an arithmetic number, because the mean of its divisors is an integer number (954765900).

Almost surely, 2^16249042168 is an apocalyptic number.

It is an amenable number.

16249042168 is a deficient number, since it is larger than the sum of its proper divisors (14303466632).

16249042168 is a wasteful number, since it uses less digits than its factorization.

16249042168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4531 (or 4527 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 43.

The spelling of 16249042168 in words is "sixteen billion, two hundred forty-nine million, forty-two thousand, one hundred sixty-eight".