501116157 has 24 divisors (see below), whose sum is σ = 799740864. Its totient is φ = 300753024.

The previous prime is 501116153. The next prime is 501116179. The reversal of 501116157 is 751611105.

It is a happy number.

501116157 is a `hidden beast` number, since 501 + 1 + 1 + 6 + 157 = 666.

It is not a de Polignac number, because 501116157 - 2² = 501116153 is a prime.

It is a super-2 number, since 2×501116157² = 502234805612897298, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 501116157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501116153) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67683 + ... + 74720.

It is an arithmetic number, because the mean of its divisors is an integer number (33322536).

Almost surely, 2^501116157 is an apocalyptic number.

It is an amenable number.

501116157 is a deficient number, since it is larger than the sum of its proper divisors (298624707).

501116157 is a wasteful number, since it uses less digits than its factorization.

501116157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142449 (or 142446 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 27.

The square root of 501116157 is about 22385.6238912388. The cubic root of 501116157 is about 794.2906833282.

The spelling of 501116157 in words is "five hundred one million, one hundred sixteen thousand, one hundred fifty-seven".