916131501648 has 60 divisors (see below), whose sum is σ = 2796977240928. Its totient is φ = 277615606080.

The previous prime is 916131501619. The next prime is 916131501653. The reversal of 916131501648 is 846105131619.

916131501648 is a `hidden beast` number, since 9 + 1 + 6 + 131 + 501 + 6 + 4 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 289181340 + ... + 289184507.

Almost surely, 2^916131501648 is an apocalyptic number.

It is an amenable number.

916131501648 is an abundant number, since it is smaller than the sum of its proper divisors (1880845739280).

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

916131501648 is a wasteful number, since it uses less digits than its factorization.

916131501648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578365872 (or 578365863 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The spelling of 916131501648 in words is "nine hundred sixteen billion, one hundred thirty-one million, five hundred one thousand, six hundred forty-eight".