654432616 has 64 divisors (see below), whose sum is σ = 1329914880. Its totient is φ = 301086720.

The previous prime is 654432587. The next prime is 654432619. The reversal of 654432616 is 616234456.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (654432619) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 659881 + ... + 660871.

It is an arithmetic number, because the mean of its divisors is an integer number (20779920).

Almost surely, 2^654432616 is an apocalyptic number.

It is an amenable number.

654432616 is an abundant number, since it is smaller than the sum of its proper divisors (675482264).

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

654432616 is a wasteful number, since it uses less digits than its factorization.

654432616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1154 (or 1150 counting only the distinct ones).

The product of its digits is 103680, while the sum is 37.

The square root of 654432616 is about 25581.8806189068. The cubic root of 654432616 is about 868.2037258854.

The spelling of 654432616 in words is "six hundred fifty-four million, four hundred thirty-two thousand, six hundred sixteen".