14891456556 has 24 divisors (see below), whose sum is σ = 38607480240. Its totient is φ = 4963818816.

The previous prime is 14891456509. The next prime is 14891456557. The reversal of 14891456556 is 65565419841.

It is a happy number.

14891456556 is a `hidden beast` number, since 1 + 4 + 89 + 1 + 4 + 5 + 6 + 556 = 666.

It is a super-2 number, since 2×14891456556² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (14891456557) 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, 68941821 + ... + 68942036.

It is an arithmetic number, because the mean of its divisors is an integer number (1608645010).

Almost surely, 2^14891456556 is an apocalyptic number.

It is an amenable number.

14891456556 is an abundant number, since it is smaller than the sum of its proper divisors (23716023684).

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

14891456556 is a wasteful number, since it uses less digits than its factorization.

14891456556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137883870 (or 137883862 counting only the distinct ones).

The product of its digits is 5184000, while the sum is 54.

The spelling of 14891456556 in words is "fourteen billion, eight hundred ninety-one million, four hundred fifty-six thousand, five hundred fifty-six".