650000164 has 24 divisors (see below), whose sum is σ = 1274450688. Its totient is φ = 287468640.

The previous prime is 650000161. The next prime is 650000173. The reversal of 650000164 is 461000056.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (650000161) 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, 198004 + ... + 201259.

It is an arithmetic number, because the mean of its divisors is an integer number (53102112).

Almost surely, 2^650000164 is an apocalyptic number.

It is an amenable number.

650000164 is a deficient number, since it is larger than the sum of its proper divisors (624450524).

650000164 is a wasteful number, since it uses less digits than its factorization.

650000164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399315 (or 399313 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 650000164 is about 25495.1007842683. The cubic root of 650000164 is about 866.2391781938.

The spelling of 650000164 in words is "six hundred fifty million, one hundred sixty-four", and thus it is an aban number.