2991159000 has 384 divisors, whose sum is σ = 10653327360. Its totient is φ = 756000000.

The previous prime is 2991158983. The next prime is 2991159011. The reversal of 2991159000 is 9511992.

2991159000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 19808925 + ... + 19809075.

It is an arithmetic number, because the mean of its divisors is an integer number (27743040).

Almost surely, 2^2991159000 is an apocalyptic number.

2991159000 is a gapful number since it is divisible by the number (20) 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 2991159000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5326663680).

2991159000 is an abundant number, since it is smaller than the sum of its proper divisors (7662168360).

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

2991159000 is a wasteful number, since it uses less digits than its factorization.

2991159000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280 (or 263 counting only the distinct ones).

The product of its (nonzero) digits is 7290, while the sum is 36.

The square root of 2991159000 is about 54691.4892830685. The cubic root of 2991159000 is about 1440.8314064562.

The spelling of 2991159000 in words is "two billion, nine hundred ninety-one million, one hundred fifty-nine thousand".