662177341068 has 12 divisors (see below), whose sum is σ = 1545080462520. Its totient is φ = 220725780352.

The previous prime is 662177341051. The next prime is 662177341079. The reversal of 662177341068 is 860143771266.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 662177341068.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27590722533 + ... + 27590722556.

It is an arithmetic number, because the mean of its divisors is an integer number (128756705210).

Almost surely, 2^662177341068 is an apocalyptic number.

It is an amenable number.

662177341068 is an abundant number, since it is smaller than the sum of its proper divisors (882903121452).

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

662177341068 is a wasteful number, since it uses less digits than its factorization.

662177341068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55181445096 (or 55181445094 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 51.

The spelling of 662177341068 in words is "six hundred sixty-two billion, one hundred seventy-seven million, three hundred forty-one thousand, sixty-eight".