22163860464 has 40 divisors (see below), whose sum is σ = 57332973312. Its totient is φ = 7378104000.

The previous prime is 22163860451. The next prime is 22163860469. The reversal of 22163860464 is 46406836122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22163860469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271374 + ... + 343469.

Almost surely, 2^22163860464 is an apocalyptic number.

22163860464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22163860464 is an abundant number, since it is smaller than the sum of its proper divisors (35169112848).

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

22163860464 is a wasteful number, since it uses less digits than its factorization.

22163860464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615605 (or 615599 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 42.

The spelling of 22163860464 in words is "twenty-two billion, one hundred sixty-three million, eight hundred sixty thousand, four hundred sixty-four".