616830666 has 8 divisors (see below), whose sum is σ = 1233661344. Its totient is φ = 205610220.

The previous prime is 616830659. The next prime is 616830677. The reversal of 616830666 is 666038616.

It is a sphenic number, since it is the product of 3 distinct primes.

616830666 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51402550 + ... + 51402561.

It is an arithmetic number, because the mean of its divisors is an integer number (154207668).

Almost surely, 2^616830666 is an apocalyptic number.

616830666 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

616830666 is a wasteful number, since it uses less digits than its factorization.

616830666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102805116.

The product of its (nonzero) digits is 186624, while the sum is 42.

The square root of 616830666 is about 24836.0758977742. The cubic root of 616830666 is about 851.2464600800.

The spelling of 616830666 in words is "six hundred sixteen million, eight hundred thirty thousand, six hundred sixty-six".