2916156321 has 12 divisors (see below), whose sum is σ = 4536243348. Its totient is φ = 1794557664.

The previous prime is 2916156293. The next prime is 2916156337. The reversal of 2916156321 is 1236516192.

2916156321 is a `hidden beast` number, since 2 + 9 + 1 + 6 + 15 + 632 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1007427600 + 1908728721 = 31740^2 + 43689^2 .

It is not a de Polignac number, because 2916156321 - 2⁷ = 2916156193 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2916156521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12462090 + ... + 12462323.

It is an arithmetic number, because the mean of its divisors is an integer number (378020279).

Almost surely, 2^2916156321 is an apocalyptic number.

It is an amenable number.

2916156321 is a deficient number, since it is larger than the sum of its proper divisors (1620087027).

2916156321 is a wasteful number, since it uses less digits than its factorization.

2916156321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24924432 (or 24924429 counting only the distinct ones).

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

The square root of 2916156321 is about 54001.4473972689. The cubic root of 2916156321 is about 1428.6864755456.

The spelling of 2916156321 in words is "two billion, nine hundred sixteen million, one hundred fifty-six thousand, three hundred twenty-one".