2899055664 has 80 divisors (see below), whose sum is σ = 8339987040. Its totient is φ = 964189440.

The previous prime is 2899055647. The next prime is 2899055707. The reversal of 2899055664 is 4665509982.

It is a happy number.

2899055664 is a `hidden beast` number, since 2 + 89 + 9 + 0 + 556 + 6 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 2899055664.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 191874 + ... + 206430.

It is an arithmetic number, because the mean of its divisors is an integer number (104249838).

Almost surely, 2^2899055664 is an apocalyptic number.

2899055664 is a gapful number since it is divisible by the number (24) 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 2899055664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4169993520).

2899055664 is an abundant number, since it is smaller than the sum of its proper divisors (5440931376).

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

2899055664 is a wasteful number, since it uses less digits than its factorization.

2899055664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15035 (or 15023 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 54.

The square root of 2899055664 is about 53842.8794178023. The cubic root of 2899055664 is about 1425.8883413860. Note that the first 3 decimals are identical.

The spelling of 2899055664 in words is "two billion, eight hundred ninety-nine million, fifty-five thousand, six hundred sixty-four".