618996966 has 32 divisors (see below), whose sum is σ = 1438836480. Its totient is φ = 173858016.

The previous prime is 618996929. The next prime is 618996977. The reversal of 618996966 is 669699816.

It is a congruent number.

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, 122421 + ... + 127376.

It is an arithmetic number, because the mean of its divisors is an integer number (44963640).

Almost surely, 2^618996966 is an apocalyptic number.

618996966 is an abundant number, since it is smaller than the sum of its proper divisors (819839514).

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

618996966 is a wasteful number, since it uses less digits than its factorization.

618996966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249868.

The product of its digits is 7558272, while the sum is 60.

The square root of 618996966 is about 24879.6496357967. The cubic root of 618996966 is about 852.2418173396.

The spelling of 618996966 in words is "six hundred eighteen million, nine hundred ninety-six thousand, nine hundred sixty-six".