665362796 has 96 divisors (see below), whose sum is σ = 1478356992. Its totient is φ = 255467520.

The previous prime is 665362787. The next prime is 665362849. The reversal of 665362796 is 697263566.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 988316 + ... + 988988.

It is an arithmetic number, because the mean of its divisors is an integer number (15399552).

Almost surely, 2^665362796 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 665362796, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (739178496).

665362796 is an abundant number, since it is smaller than the sum of its proper divisors (812994196).

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

665362796 is a wasteful number, since it uses less digits than its factorization.

665362796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799 (or 797 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 50.

The square root of 665362796 is about 25794.6272700344. The cubic root of 665362796 is about 873.0105750720.

The spelling of 665362796 in words is "six hundred sixty-five million, three hundred sixty-two thousand, seven hundred ninety-six".