22159391951468 has 12 divisors (see below), whose sum is σ = 41060049792552. Its totient is φ = 10427949153600.

The previous prime is 22159391951441. The next prime is 22159391951513. The reversal of 22159391951468 is 86415919395122.

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, 162936705458 + ... + 162936705593.

It is an arithmetic number, because the mean of its divisors is an integer number (3421670816046).

Almost surely, 2^{22159391951468} is an apocalyptic number.

It is an amenable number.

22159391951468 is a deficient number, since it is larger than the sum of its proper divisors (18900657841084).

22159391951468 is a wasteful number, since it uses less digits than its factorization.

22159391951468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325873411072 (or 325873411070 counting only the distinct ones).

The product of its digits is 41990400, while the sum is 65.

The spelling of 22159391951468 in words is "twenty-two trillion, one hundred fifty-nine billion, three hundred ninety-one million, nine hundred fifty-one thousand, four hundred sixty-eight".