518662816 has 48 divisors (see below), whose sum is σ = 1168896960. Its totient is φ = 221921280.

The previous prime is 518662801. The next prime is 518662819. The reversal of 518662816 is 618266815.

It is a super-2 number, since 2×518662816² = 538022233402099712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (518662819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170751 + ... + 173761.

It is an arithmetic number, because the mean of its divisors is an integer number (24352020).

Almost surely, 2^518662816 is an apocalyptic number.

518662816 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

518662816 is an abundant number, since it is smaller than the sum of its proper divisors (650234144).

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

518662816 is a wasteful number, since it uses less digits than its factorization.

518662816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3797 (or 3789 counting only the distinct ones).

The product of its digits is 138240, while the sum is 43.

The square root of 518662816 is about 22774.1699299887. The cubic root of 518662816 is about 803.4552715543.

The spelling of 518662816 in words is "five hundred eighteen million, six hundred sixty-two thousand, eight hundred sixteen".