662725146293988 has 24 divisors (see below), whose sum is σ = 1546486336106208. Its totient is φ = 220890144752256.

The previous prime is 662725146293843. The next prime is 662725146294011. The reversal of 662725146293988 is 889392641527266.

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, 2279516806 + ... + 2279807517.

It is an arithmetic number, because the mean of its divisors is an integer number (64436930671092).

Almost surely, 2^{662725146293988} is an apocalyptic number.

It is an amenable number.

662725146293988 is an abundant number, since it is smaller than the sum of its proper divisors (883761189812220).

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

662725146293988 is a wasteful number, since it uses less digits than its factorization.

662725146293988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4559336443 (or 4559336441 counting only the distinct ones).

The product of its digits is 3762339840, while the sum is 78.

The spelling of 662725146293988 in words is "six hundred sixty-two trillion, seven hundred twenty-five billion, one hundred forty-six million, two hundred ninety-three thousand, nine hundred eighty-eight".