518116995 has 24 divisors (see below), whose sum is σ = 979713072. Its totient is φ = 251208000.

The previous prime is 518116993. The next prime is 518117011. The reversal of 518116995 is 599611815.

It is not a de Polignac number, because 518116995 - 2¹ = 518116993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 518116995.

It is not an unprimeable number, because it can be changed into a prime (518116993) 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, 522856 + ... + 523845.

It is an arithmetic number, because the mean of its divisors is an integer number (40821378).

Almost surely, 2^518116995 is an apocalyptic number.

518116995 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

518116995 is a deficient number, since it is larger than the sum of its proper divisors (461596077).

518116995 is a wasteful number, since it uses less digits than its factorization.

518116995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1046723 (or 1046720 counting only the distinct ones).

The product of its digits is 97200, while the sum is 45.

The square root of 518116995 is about 22762.1834409619. The cubic root of 518116995 is about 803.1733307175.

The spelling of 518116995 in words is "five hundred eighteen million, one hundred sixteen thousand, nine hundred ninety-five".