2991210768 has 300 divisors, whose sum is σ = 10719337728. Its totient is φ = 788486400.

The previous prime is 2991210757. The next prime is 2991210773. The reversal of 2991210768 is 8670121992.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 1532193 + ... + 1534143.

Almost surely, 2^2991210768 is an apocalyptic number.

2991210768 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2991210768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5359668864).

2991210768 is an abundant number, since it is smaller than the sum of its proper divisors (7728126960).

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

2991210768 is a wasteful number, since it uses less digits than its factorization.

2991210768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2004 (or 1976 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The square root of 2991210768 is about 54691.9625539256. The cubic root of 2991210768 is about 1440.8397185664.

The spelling of 2991210768 in words is "two billion, nine hundred ninety-one million, two hundred ten thousand, seven hundred sixty-eight".