654511916 has 24 divisors (see below), whose sum is σ = 1164505440. Its totient is φ = 321840000.

The previous prime is 654511909. The next prime is 654511931. The reversal of 654511916 is 619115456.

It is a self number, because there is not a number n which added to its sum of digits gives 654511916.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55640 + ... + 66368.

It is an arithmetic number, because the mean of its divisors is an integer number (48521060).

Almost surely, 2^654511916 is an apocalyptic number.

It is an amenable number.

654511916 is a deficient number, since it is larger than the sum of its proper divisors (509993524).

654511916 is a wasteful number, since it uses less digits than its factorization.

654511916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10985 (or 10983 counting only the distinct ones).

The product of its digits is 32400, while the sum is 38.

The square root of 654511916 is about 25583.4304971010. The cubic root of 654511916 is about 868.2387922789.

The spelling of 654511916 in words is "six hundred fifty-four million, five hundred eleven thousand, nine hundred sixteen".