501364650164 has 36 divisors (see below), whose sum is σ = 1032103027620. Its totient is φ = 212456280960.

The previous prime is 501364650151. The next prime is 501364650169. The reversal of 501364650164 is 461056463105.

It can be written as a sum of positive squares in 2 ways, for example, as 347755525264 + 153609124900 = 589708^2 + 391930^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501364650169) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14353247 + ... + 14388134.

It is an arithmetic number, because the mean of its divisors is an integer number (28669528545).

Almost surely, 2^501364650164 is an apocalyptic number.

It is an amenable number.

501364650164 is an abundant number, since it is smaller than the sum of its proper divisors (530738377456).

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

501364650164 is a wasteful number, since it uses less digits than its factorization.

501364650164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28741488 (or 28741479 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 501364650164 in words is "five hundred one billion, three hundred sixty-four million, six hundred fifty thousand, one hundred sixty-four".