2991292416 has 480 divisors, whose sum is σ = 10847877480. Its totient is φ = 817496064.

The previous prime is 2991292411. The next prime is 2991292427. The reversal of 2991292416 is 6142921992.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2991292411) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 130056181 + ... + 130056203.

Almost surely, 2^2991292416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2991292416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5423938740).

2991292416 is an abundant number, since it is smaller than the sum of its proper divisors (7856585064).

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

2991292416 is an frugal number, since it uses more digits than its factorization.

2991292416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79 (or 35 counting only the distinct ones).

The product of its digits is 139968, while the sum is 45.

The square root of 2991292416 is about 54692.7089839222. The cubic root of 2991292416 is about 1440.8528281532.

The spelling of 2991292416 in words is "two billion, nine hundred ninety-one million, two hundred ninety-two thousand, four hundred sixteen".