662920793380 has 48 divisors (see below), whose sum is σ = 1398963098736. Its totient is φ = 263869562880.

The previous prime is 662920793323. The next prime is 662920793383. The reversal of 662920793380 is 83397029266.

It can be written as a sum of positive squares in 8 ways, for example, as 185437029376 + 477483764004 = 430624^2 + 691002^2 .

It is not an unprimeable number, because it can be changed into a prime (662920793383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5059900 + ... + 5189260.

It is an arithmetic number, because the mean of its divisors is an integer number (29145064557).

Almost surely, 2^662920793380 is an apocalyptic number.

It is an amenable number.

662920793380 is an abundant number, since it is smaller than the sum of its proper divisors (736042305356).

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

662920793380 is a wasteful number, since it uses less digits than its factorization.

662920793380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130624 (or 130622 counting only the distinct ones).

The product of its (nonzero) digits is 5878656, while the sum is 55.

The spelling of 662920793380 in words is "six hundred sixty-two billion, nine hundred twenty million, seven hundred ninety-three thousand, three hundred eighty".