22666346502464 has 28 divisors (see below), whose sum is σ = 51404035819104. Its totient is φ = 9714148500864.

The previous prime is 22666346502419. The next prime is 22666346502617. The reversal of 22666346502464 is 46420564366622.

It is a tau number, because it is divible by the number of its divisors (28).

It is a Harshad number since it is a multiple of its sum of digits (56).

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, 25297261274 + ... + 25297262169.

Almost surely, 2^{22666346502464} is an apocalyptic number.

It is an amenable number.

22666346502464 is an abundant number, since it is smaller than the sum of its proper divisors (28737689316640).

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

22666346502464 is an equidigital number, since it uses as much as digits as its factorization.

22666346502464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50594523462 (or 50594523452 counting only the distinct ones).

The product of its (nonzero) digits is 59719680, while the sum is 56.

The spelling of 22666346502464 in words is "twenty-two trillion, six hundred sixty-six billion, three hundred forty-six million, five hundred two thousand, four hundred sixty-four".