2991916324 has 12 divisors (see below), whose sum is σ = 5236241584. Its totient is φ = 1495847304.

The previous prime is 2991916313. The next prime is 2991916327. The reversal of 2991916324 is 4236191992.

It is not an unprimeable number, because it can be changed into a prime (2991916327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76807 + ... + 109009.

Almost surely, 2^2991916324 is an apocalyptic number.

It is an amenable number.

2991916324 is a deficient number, since it is larger than the sum of its proper divisors (2244325260).

2991916324 is a wasteful number, since it uses less digits than its factorization.

2991916324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55434 (or 55432 counting only the distinct ones).

The product of its digits is 209952, while the sum is 46.

The square root of 2991916324 is about 54698.4124449696. The cubic root of 2991916324 is about 1440.9529963512.

The spelling of 2991916324 in words is "two billion, nine hundred ninety-one million, nine hundred sixteen thousand, three hundred twenty-four".