201502164 has 12 divisors (see below), whose sum is σ = 470171744. Its totient is φ = 67167384.

The previous prime is 201502157. The next prime is 201502177. The reversal of 201502164 is 461205102.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 201502164.

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, 8395912 + ... + 8395935.

Almost surely, 2^201502164 is an apocalyptic number.

It is an amenable number.

201502164 is an abundant number, since it is smaller than the sum of its proper divisors (268669580).

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

201502164 is a wasteful number, since it uses less digits than its factorization.

201502164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16791854 (or 16791852 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 201502164 is about 14195.1457900227. The cubic root of 201502164 is about 586.2640153465.

Adding to 201502164 its reverse (461205102), we get a palindrome (662707266).

The spelling of 201502164 in words is "two hundred one million, five hundred two thousand, one hundred sixty-four".