22651256363680 has 96 divisors (see below), whose sum is σ = 61547936558976. Its totient is φ = 7716679087104.

The previous prime is 22651256363609. The next prime is 22651256363683. The reversal of 22651256363680 is 8636365215622.

It is not an unprimeable number, because it can be changed into a prime (22651256363683) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64232874 + ... + 64584553.

It is an arithmetic number, because the mean of its divisors is an integer number (641124339156).

Almost surely, 2^{22651256363680} is an apocalyptic number.

22651256363680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22651256363680 is an abundant number, since it is smaller than the sum of its proper divisors (38896680195296).

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

22651256363680 is a wasteful number, since it uses less digits than its factorization.

22651256363680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128817606 (or 128817598 counting only the distinct ones).

The product of its (nonzero) digits is 18662400, while the sum is 55.

The spelling of 22651256363680 in words is "twenty-two trillion, six hundred fifty-one billion, two hundred fifty-six million, three hundred sixty-three thousand, six hundred eighty".