654971179456 has 56 divisors (see below), whose sum is σ = 1452445853040. Its totient is φ = 290452838400.

The previous prime is 654971179451. The next prime is 654971179477.

654971179456 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654971179451) 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, 11316951 + ... + 11374678.

It is an arithmetic number, because the mean of its divisors is an integer number (25936533090).

Almost surely, 2^654971179456 is an apocalyptic number.

It is an amenable number.

654971179456 is an abundant number, since it is smaller than the sum of its proper divisors (797474673584).

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

654971179456 is a wasteful number, since it uses less digits than its factorization.

654971179456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22691693 (or 22691683 counting only the distinct ones).

The product of its digits is 57153600, while the sum is 64.

The spelling of 654971179456 in words is "six hundred fifty-four billion, nine hundred seventy-one million, one hundred seventy-nine thousand, four hundred fifty-six".