500161015500 has 48 divisors (see below), whose sum is σ = 1456468881504. Its totient is φ = 133376270400.

The previous prime is 500161015433. The next prime is 500161015567. The reversal of 500161015500 is 5510161005.

It is an interprime number because it is at equal distance from previous prime (500161015433) and next prime (500161015567).

It is a super-2 number, since 2×500161015500² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166718839 + ... + 166721838.

It is an arithmetic number, because the mean of its divisors is an integer number (30343101698).

Almost surely, 2^500161015500 is an apocalyptic number.

500161015500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

500161015500 is an abundant number, since it is smaller than the sum of its proper divisors (956307866004).

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

500161015500 is a wasteful number, since it uses less digits than its factorization.

500161015500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333440699 (or 333440687 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 24.

Adding to 500161015500 its reverse (5510161005), we get a palindrome (505671176505).

The spelling of 500161015500 in words is "five hundred billion, one hundred sixty-one million, fifteen thousand, five hundred".