501116172 has 24 divisors (see below), whose sum is σ = 1209591600. Its totient is φ = 161278656.

The previous prime is 501116153. The next prime is 501116179. The reversal of 501116172 is 271611105.

It is a super-2 number, since 2×501116172² = 502234835679867168, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (501116179) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 719647 + ... + 720342.

It is an arithmetic number, because the mean of its divisors is an integer number (50399650).

Almost surely, 2^501116172 is an apocalyptic number.

It is an amenable number.

501116172 is an abundant number, since it is smaller than the sum of its proper divisors (708475428).

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

501116172 is a wasteful number, since it uses less digits than its factorization.

501116172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1440025 (or 1440023 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 24.

The square root of 501116172 is about 22385.6242262752. The cubic root of 501116172 is about 794.2906912534.

Adding to 501116172 its reverse (271611105), we get a palindrome (772727277).

The spelling of 501116172 in words is "five hundred one million, one hundred sixteen thousand, one hundred seventy-two".