163011664 has 10 divisors (see below), whose sum is σ = 315835130. Its totient is φ = 81505824.

The previous prime is 163011647. The next prime is 163011683. The reversal of 163011664 is 466110361.

163011664 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 102171664 + 60840000 = 10108^2 + 7800^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5094099 + ... + 5094130.

It is an arithmetic number, because the mean of its divisors is an integer number (31583513).

Almost surely, 2^163011664 is an apocalyptic number.

It is an amenable number.

163011664 is a deficient number, since it is larger than the sum of its proper divisors (152823466).

163011664 is a wasteful number, since it uses less digits than its factorization.

163011664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10188237 (or 10188231 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 163011664 is about 12767.6021241265. The cubic root of 163011664 is about 546.2685865205.

The spelling of 163011664 in words is "one hundred sixty-three million, eleven thousand, six hundred sixty-four".