2991916332 has 48 divisors (see below), whose sum is σ = 7762043520. Its totient is φ = 996633936.

The previous prime is 2991916327. The next prime is 2991916351. The reversal of 2991916332 is 2336191992.

2991916332 is a `hidden beast` number, since 2 + 9 + 9 + 1 + 9 + 1 + 633 + 2 = 666.

It is a nude number because it is divisible by every one of its digits.

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, 167203 + ... + 184229.

It is an arithmetic number, because the mean of its divisors is an integer number (161709240).

Almost surely, 2^2991916332 is an apocalyptic number.

It is an amenable number.

2991916332 is an abundant number, since it is smaller than the sum of its proper divisors (4770127188).

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

2991916332 is a wasteful number, since it uses less digits than its factorization.

2991916332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18667 (or 18659 counting only the distinct ones).

The product of its digits is 157464, while the sum is 45.

The square root of 2991916332 is about 54698.4125180978. The cubic root of 2991916332 is about 1440.9529976355.

The spelling of 2991916332 in words is "two billion, nine hundred ninety-one million, nine hundred sixteen thousand, three hundred thirty-two".