16949865572 has 48 divisors (see below), whose sum is σ = 33116106240. Its totient is φ = 7543798272.

The previous prime is 16949865557. The next prime is 16949865577. The reversal of 16949865572 is 27556894961.

16949865572 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (16949865577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 773438 + ... + 795050.

It is an arithmetic number, because the mean of its divisors is an integer number (689918880).

Almost surely, 2^16949865572 is an apocalyptic number.

It is an amenable number.

16949865572 is a deficient number, since it is larger than the sum of its proper divisors (16166240668).

16949865572 is a wasteful number, since it uses less digits than its factorization.

16949865572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22260 (or 22258 counting only the distinct ones).

The product of its digits is 32659200, while the sum is 62.

The spelling of 16949865572 in words is "sixteen billion, nine hundred forty-nine million, eight hundred sixty-five thousand, five hundred seventy-two".