662604644220 has 24 divisors (see below), whose sum is σ = 1855293003984. Its totient is φ = 176694571776.

The previous prime is 662604644171. The next prime is 662604644257. The reversal of 662604644220 is 22446406266.

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, 5521705309 + ... + 5521705428.

It is an arithmetic number, because the mean of its divisors is an integer number (77303875166).

Almost surely, 2^662604644220 is an apocalyptic number.

662604644220 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

662604644220 is an abundant number, since it is smaller than the sum of its proper divisors (1192688359764).

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

662604644220 is a wasteful number, since it uses less digits than its factorization.

662604644220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11043410749 (or 11043410747 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 42.

The spelling of 662604644220 in words is "six hundred sixty-two billion, six hundred four million, six hundred forty-four thousand, two hundred twenty".