16450457564 has 24 divisors (see below), whose sum is σ = 30439395840. Its totient is φ = 7757370864.

The previous prime is 16450457503. The next prime is 16450457567. The reversal of 16450457564 is 46575405461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16450457567) 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, 468374 + ... + 502269.

It is an arithmetic number, because the mean of its divisors is an integer number (1268308160).

Almost surely, 2^16450457564 is an apocalyptic number.

It is an amenable number.

16450457564 is a deficient number, since it is larger than the sum of its proper divisors (13988938276).

16450457564 is a wasteful number, since it uses less digits than its factorization.

16450457564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970889 (or 970887 counting only the distinct ones).

The product of its (nonzero) digits is 2016000, while the sum is 47.

The spelling of 16450457564 in words is "sixteen billion, four hundred fifty million, four hundred fifty-seven thousand, five hundred sixty-four".