618320796 has 24 divisors (see below), whose sum is σ = 1452435600. Its totient is φ = 204723072.

The previous prime is 618320771. The next prime is 618320809. The reversal of 618320796 is 697023816.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171121 + ... + 174696.

It is an arithmetic number, because the mean of its divisors is an integer number (60518150).

Almost surely, 2^618320796 is an apocalyptic number.

It is an amenable number.

618320796 is an abundant number, since it is smaller than the sum of its proper divisors (834114804).

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

618320796 is a wasteful number, since it uses less digits than its factorization.

618320796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345973 (or 345971 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 618320796 is about 24866.0571060231. The cubic root of 618320796 is about 851.9313848510.

The spelling of 618320796 in words is "six hundred eighteen million, three hundred twenty thousand, seven hundred ninety-six".