676663218 has 72 divisors (see below), whose sum is σ = 1841758464. Its totient is φ = 175752720.

The previous prime is 676663201. The next prime is 676663231. The reversal of 676663218 is 812366676.

It is a super-2 number, since 2×676663218² = 915746221188231048, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6946 + ... + 37437.

Almost surely, 2^676663218 is an apocalyptic number.

676663218 is an abundant number, since it is smaller than the sum of its proper divisors (1165095246).

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

676663218 is a wasteful number, since it uses less digits than its factorization.

676663218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44420 (or 44406 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 676663218 is about 26012.7510655832. The cubic root of 676663218 is about 877.9252162753.

The spelling of 676663218 in words is "six hundred seventy-six million, six hundred sixty-three thousand, two hundred eighteen".