163156664 has 32 divisors (see below), whose sum is σ = 348243840. Its totient is φ = 70936800.

The previous prime is 163156661. The next prime is 163156673. The reversal of 163156664 is 466651361.

163156664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163156661) 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, 38282 + ... + 42329.

It is an arithmetic number, because the mean of its divisors is an integer number (10882620).

Almost surely, 2^163156664 is an apocalyptic number.

It is an amenable number.

163156664 is an abundant number, since it is smaller than the sum of its proper divisors (185087176).

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

163156664 is a wasteful number, since it uses less digits than its factorization.

163156664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80651 (or 80647 counting only the distinct ones).

The product of its digits is 77760, while the sum is 38.

The square root of 163156664 is about 12773.2792970325. The cubic root of 163156664 is about 546.4305084122.

The spelling of 163156664 in words is "one hundred sixty-three million, one hundred fifty-six thousand, six hundred sixty-four".