648743116 has 48 divisors (see below), whose sum is σ = 1320096064. Its totient is φ = 273217536.

The previous prime is 648743101. The next prime is 648743149. The reversal of 648743116 is 611347846.

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 15 ways as a sum of consecutive naturals, for example, 884686 + ... + 885418.

Almost surely, 2^648743116 is an apocalyptic number.

It is an amenable number.

648743116 is an abundant number, since it is smaller than the sum of its proper divisors (671352948).

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

648743116 is a wasteful number, since it uses less digits than its factorization.

648743116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1250 (or 1248 counting only the distinct ones).

The product of its digits is 96768, while the sum is 40.

The square root of 648743116 is about 25470.4361171928. The cubic root of 648743116 is about 865.6804055488.

The spelling of 648743116 in words is "six hundred forty-eight million, seven hundred forty-three thousand, one hundred sixteen".