650164658364 has 144 divisors (see below), whose sum is σ = 1828120224000. Its totient is φ = 199735937856.

The previous prime is 650164658309. The next prime is 650164658383. The reversal of 650164658364 is 463856461056.

650164658364 is a `hidden beast` number, since 6 + 5 + 0 + 16 + 46 + 583 + 6 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 650164658364.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11708337 + ... + 11763735.

Almost surely, 2^650164658364 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 650164658364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (914060112000).

650164658364 is an abundant number, since it is smaller than the sum of its proper divisors (1177955565636).

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

650164658364 is a wasteful number, since it uses less digits than its factorization.

650164658364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56081 (or 56060 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 54.

The spelling of 650164658364 in words is "six hundred fifty billion, one hundred sixty-four million, six hundred fifty-eight thousand, three hundred sixty-four".