654216955 has 16 divisors (see below), whose sum is σ = 898409664. Its totient is φ = 448007040.

The previous prime is 654216931. The next prime is 654217027. The reversal of 654216955 is 559612456.

It is not a de Polignac number, because 654216955 - 2⁹ = 654216443 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14965 + ... + 39145.

It is an arithmetic number, because the mean of its divisors is an integer number (56150604).

Almost surely, 2^654216955 is an apocalyptic number.

654216955 is a deficient number, since it is larger than the sum of its proper divisors (244192709).

654216955 is a wasteful number, since it uses less digits than its factorization.

654216955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24966.

The product of its digits is 324000, while the sum is 43.

The square root of 654216955 is about 25577.6651592752. The cubic root of 654216955 is about 868.1083464426.

The spelling of 654216955 in words is "six hundred fifty-four million, two hundred sixteen thousand, nine hundred fifty-five".