201650164 has 12 divisors (see below), whose sum is σ = 364271488. Its totient is φ = 97572600.

The previous prime is 201650161. The next prime is 201650179. The reversal of 201650164 is 461056102.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201650161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 812982 + ... + 813229.

Almost surely, 2^201650164 is an apocalyptic number.

It is an amenable number.

201650164 is a deficient number, since it is larger than the sum of its proper divisors (162621324).

201650164 is a wasteful number, since it uses less digits than its factorization.

201650164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1626246 (or 1626244 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 201650164 is about 14200.3578828141. The cubic root of 201650164 is about 586.4075139542.

The spelling of 201650164 in words is "two hundred one million, six hundred fifty thousand, one hundred sixty-four".