66222937902 has 16 divisors (see below), whose sum is σ = 144486410112. Its totient is φ = 20067556920.

The previous prime is 66222937897. The next prime is 66222937903. The reversal of 66222937902 is 20973922266.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66222937903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 501688858 + ... + 501688989.

It is an arithmetic number, because the mean of its divisors is an integer number (9030400632).

Almost surely, 2^66222937902 is an apocalyptic number.

66222937902 is an abundant number, since it is smaller than the sum of its proper divisors (78263472210).

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

66222937902 is a wasteful number, since it uses less digits than its factorization.

66222937902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003377863.

The product of its (nonzero) digits is 979776, while the sum is 48.

The spelling of 66222937902 in words is "sixty-six billion, two hundred twenty-two million, nine hundred thirty-seven thousand, nine hundred two".