666222153152 has 28 divisors (see below), whose sum is σ = 1324170422520. Its totient is φ = 332572912896.

The previous prime is 666222153151. The next prime is 666222153199. The reversal of 666222153152 is 251351222666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (666222153151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8368883 + ... + 8448114.

Almost surely, 2^666222153152 is an apocalyptic number.

It is an amenable number.

666222153152 is a deficient number, since it is larger than the sum of its proper divisors (657948269368).

666222153152 is a wasteful number, since it uses less digits than its factorization.

666222153152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16817628 (or 16817618 counting only the distinct ones).

The product of its digits is 259200, while the sum is 41.

The spelling of 666222153152 in words is "six hundred sixty-six billion, two hundred twenty-two million, one hundred fifty-three thousand, one hundred fifty-two".