654564464465456 has 20 divisors (see below), whose sum is σ = 1276296475702272. Its totient is φ = 325197632026176.

The previous prime is 654564464465399. The next prime is 654564464465491.

It is a happy number.

654564464465456 is nontrivially palindromic in base 10.

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, 130287510320 + ... + 130287515343.

Almost surely, 2^{654564464465456} is an apocalyptic number.

It is an amenable number.

654564464465456 is a deficient number, since it is larger than the sum of its proper divisors (621732011236816).

654564464465456 is a wasteful number, since it uses less digits than its factorization.

654564464465456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260575025828 (or 260575025822 counting only the distinct ones).

The product of its digits is 19906560000, while the sum is 74.

The spelling of 654564464465456 in words is "six hundred fifty-four trillion, five hundred sixty-four billion, four hundred sixty-four million, four hundred sixty-five thousand, four hundred fifty-six".