6666221522062 has 8 divisors (see below), whose sum is σ = 10003087203696. Its totient is φ = 3331859120832.

The previous prime is 6666221522041. The next prime is 6666221522087. The reversal of 6666221522062 is 2602251226666.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 625813443 + ... + 625824094.

It is an arithmetic number, because the mean of its divisors is an integer number (1250385900462).

Almost surely, 2^{6666221522062} is an apocalyptic number.

6666221522062 is a deficient number, since it is larger than the sum of its proper divisors (3336865681634).

6666221522062 is a wasteful number, since it uses less digits than its factorization.

6666221522062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1251640202.

The product of its (nonzero) digits is 1244160, while the sum is 46.

The spelling of 6666221522062 in words is "six trillion, six hundred sixty-six billion, two hundred twenty-one million, five hundred twenty-two thousand, sixty-two".