2321159616 has 42 divisors (see below), whose sum is σ = 6653186592. Its totient is φ = 773719680.

The previous prime is 2321159587. The next prime is 2321159669. The reversal of 2321159616 is 6169511232.

2321159616 is a `hidden beast` number, since 2 + 3 + 21 + 15 + 9 + 616 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2014320 + ... + 2015471.

Almost surely, 2^2321159616 is an apocalyptic number.

It is an amenable number.

2321159616 is an abundant number, since it is smaller than the sum of its proper divisors (4332026976).

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

2321159616 is a wasteful number, since it uses less digits than its factorization.

2321159616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4029809 (or 4029796 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 2321159616 is about 48178.4144197378. The cubic root of 2321159616 is about 1324.0417166935.

The spelling of 2321159616 in words is "two billion, three hundred twenty-one million, one hundred fifty-nine thousand, six hundred sixteen".