66662204022 has 48 divisors (see below), whose sum is σ = 147919543200. Its totient is φ = 21690816000.

The previous prime is 66662203967. The next prime is 66662204029. The reversal of 66662204022 is 22040226666.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66662204029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 129147 + ... + 387302.

It is an arithmetic number, because the mean of its divisors is an integer number (3081657150).

Almost surely, 2^66662204022 is an apocalyptic number.

66662204022 is an abundant number, since it is smaller than the sum of its proper divisors (81257339178).

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

66662204022 is a wasteful number, since it uses less digits than its factorization.

66662204022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516629 (or 516626 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The spelling of 66662204022 in words is "sixty-six billion, six hundred sixty-two million, two hundred four thousand, twenty-two".