654581116 has 48 divisors (see below), whose sum is σ = 1331709120. Its totient is φ = 275742720.

The previous prime is 654581099. The next prime is 654581149. The reversal of 654581116 is 611185456.

It is a congruent 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, 480276 + ... + 481636.

It is an arithmetic number, because the mean of its divisors is an integer number (27743940).

Almost surely, 2^654581116 is an apocalyptic number.

It is an amenable number.

654581116 is an abundant number, since it is smaller than the sum of its proper divisors (677128004).

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

654581116 is a wasteful number, since it uses less digits than its factorization.

654581116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1654 (or 1652 counting only the distinct ones).

The product of its digits is 28800, while the sum is 37.

The square root of 654581116 is about 25584.7828992157. The cubic root of 654581116 is about 868.2693901466.

The spelling of 654581116 in words is "six hundred fifty-four million, five hundred eighty-one thousand, one hundred sixteen".