16475664 has 20 divisors (see below), whose sum is σ = 42562256. Its totient is φ = 5491872.

The previous prime is 16475653. The next prime is 16475671. The reversal of 16475664 is 46657461.

16475664 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171574 + ... + 171669.

Almost surely, 2^16475664 is an apocalyptic number.

It is an amenable number.

16475664 is an abundant number, since it is smaller than the sum of its proper divisors (26086592).

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

16475664 is a wasteful number, since it uses less digits than its factorization.

16475664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343254 (or 343248 counting only the distinct ones).

The product of its digits is 120960, while the sum is 39.

The square root of 16475664 is about 4059.0225424356. The cubic root of 16475664 is about 254.4569450468.

The spelling of 16475664 in words is "sixteen million, four hundred seventy-five thousand, six hundred sixty-four".