501160661160 has 128 divisors (see below), whose sum is σ = 1540630143360. Its totient is φ = 130342809600.

The previous prime is 501160661153. The next prime is 501160661173. The reversal of 501160661160 is 61166061105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17909580 + ... + 17937540.

It is an arithmetic number, because the mean of its divisors is an integer number (12036172995).

Almost surely, 2^501160661160 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 501160661160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (770315071680).

501160661160 is an abundant number, since it is smaller than the sum of its proper divisors (1039469482200).

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

501160661160 is a wasteful number, since it uses less digits than its factorization.

501160661160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31659 (or 31655 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 33.

The spelling of 501160661160 in words is "five hundred one billion, one hundred sixty million, six hundred sixty-one thousand, one hundred sixty".