6642265176642 has 16 divisors (see below), whose sum is σ = 13284661682592. Its totient is φ = 2214066504000.

The previous prime is 6642265176637. The next prime is 6642265176773. The reversal of 6642265176642 is 2466715622466.

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 7 ways as a sum of consecutive naturals, for example, 4808359 + ... + 6033642.

It is an arithmetic number, because the mean of its divisors is an integer number (830291355162).

Almost surely, 2^{6642265176642} is an apocalyptic number.

6642265176642 is an abundant number, since it is smaller than the sum of its proper divisors (6642396505950).

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

6642265176642 is a wasteful number, since it uses less digits than its factorization.

6642265176642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10944113.

The product of its digits is 34836480, while the sum is 57.

The spelling of 6642265176642 in words is "six trillion, six hundred forty-two billion, two hundred sixty-five million, one hundred seventy-six thousand, six hundred forty-two".