133163164 has 12 divisors (see below), whose sum is σ = 233342424. Its totient is φ = 66493904.

The previous prime is 133163143. The next prime is 133163201. The reversal of 133163164 is 461361331.

It is a congruent number.

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, 18442 + ... + 24625.

It is an arithmetic number, because the mean of its divisors is an integer number (19445202).

Almost surely, 2^133163164 is an apocalyptic number.

It is an amenable number.

133163164 is a deficient number, since it is larger than the sum of its proper divisors (100179260).

133163164 is a wasteful number, since it uses less digits than its factorization.

133163164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43844 (or 43842 counting only the distinct ones).

The product of its digits is 3888, while the sum is 28.

The square root of 133163164 is about 11539.6344829462. The cubic root of 133163164 is about 510.6555251277.

The spelling of 133163164 in words is "one hundred thirty-three million, one hundred sixty-three thousand, one hundred sixty-four".