22639281716664 has 80 divisors (see below), whose sum is σ = 63418059488520. Its totient is φ = 7545581282880.

The previous prime is 22639281716633. The next prime is 22639281716683. The reversal of 22639281716664 is 46661718293622.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3840007 + ... + 7747529.

Almost surely, 2^{22639281716664} is an apocalyptic number.

22639281716664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22639281716664 is an abundant number, since it is smaller than the sum of its proper divisors (40778777771856).

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

22639281716664 is a wasteful number, since it uses less digits than its factorization.

22639281716664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3916482 (or 3916469 counting only the distinct ones).

The product of its digits is 62705664, while the sum is 63.

The spelling of 22639281716664 in words is "twenty-two trillion, six hundred thirty-nine billion, two hundred eighty-one million, seven hundred sixteen thousand, six hundred sixty-four".