22666345443680 has 72 divisors (see below), whose sum is σ = 55978696492992. Its totient is φ = 8672340833024.

The previous prime is 22666345443661. The next prime is 22666345443689. The reversal of 22666345443680 is 8634454366622.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22666345443689) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 133813904 + ... + 133983183.

It is an arithmetic number, because the mean of its divisors is an integer number (777481895736).

Almost surely, 2^{22666345443680} is an apocalyptic number.

22666345443680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22666345443680 is an abundant number, since it is smaller than the sum of its proper divisors (33312351049312).

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

22666345443680 is a wasteful number, since it uses less digits than its factorization.

22666345443680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267797148 (or 267797117 counting only the distinct ones).

The product of its (nonzero) digits is 119439360, while the sum is 59.

The spelling of 22666345443680 in words is "twenty-two trillion, six hundred sixty-six billion, three hundred forty-five million, four hundred forty-three thousand, six hundred eighty".