501664542162 has 32 divisors (see below), whose sum is σ = 1161176524800. Its totient is φ = 141518387088.

The previous prime is 501664542151. The next prime is 501664542191. The reversal of 501664542162 is 261245466105.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75594112 + ... + 75600747.

It is an arithmetic number, because the mean of its divisors is an integer number (36286766400).

Almost surely, 2^501664542162 is an apocalyptic number.

501664542162 is an abundant number, since it is smaller than the sum of its proper divisors (659511982638).

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

501664542162 is a wasteful number, since it uses less digits than its factorization.

501664542162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151194950.

The product of its (nonzero) digits is 345600, while the sum is 42.

The spelling of 501664542162 in words is "five hundred one billion, six hundred sixty-four million, five hundred forty-two thousand, one hundred sixty-two".