501161612 has 36 divisors (see below), whose sum is σ = 1022381640. Its totient is φ = 214329024.

The previous prime is 501161599. The next prime is 501161663. The reversal of 501161612 is 216161105.

It is a super-2 number, since 2×501161612² = 502325922684877088, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100064 + ... + 104952.

It is an arithmetic number, because the mean of its divisors is an integer number (28399490).

Almost surely, 2^501161612 is an apocalyptic number.

It is an amenable number.

501161612 is an abundant number, since it is smaller than the sum of its proper divisors (521220028).

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

501161612 is a wasteful number, since it uses less digits than its factorization.

501161612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5430 (or 5421 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 501161612 is about 22386.6391403444. The cubic root of 501161612 is about 794.3146986461.

The spelling of 501161612 in words is "five hundred one million, one hundred sixty-one thousand, six hundred twelve".