501136816 has 40 divisors (see below), whose sum is σ = 988428800. Its totient is φ = 246093120.

The previous prime is 501136789. The next prime is 501136871. The reversal of 501136816 is 618631105.

It is a super-2 number, since 2×501136816² = 502276216701235712, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 265765 + ... + 267643.

It is an arithmetic number, because the mean of its divisors is an integer number (24710720).

Almost surely, 2^501136816 is an apocalyptic number.

It is an amenable number.

501136816 is a deficient number, since it is larger than the sum of its proper divisors (487291984).

501136816 is a wasteful number, since it uses less digits than its factorization.

501136816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2177 (or 2171 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 501136816 is about 22386.0853210203. The cubic root of 501136816 is about 794.3015983130.

The spelling of 501136816 in words is "five hundred one million, one hundred thirty-six thousand, eight hundred sixteen".