2998598665 has 32 divisors (see below), whose sum is σ = 3795148800. Its totient is φ = 2270068416.

The previous prime is 2998598663. The next prime is 2998598689. The reversal of 2998598665 is 5668958992.

It is a cyclic number.

It is not a de Polignac number, because 2998598665 - 2¹ = 2998598663 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2998598665.

It is not an unprimeable number, because it can be changed into a prime (2998598663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6476224 + ... + 6476686.

It is an arithmetic number, because the mean of its divisors is an integer number (118598400).

Almost surely, 2^2998598665 is an apocalyptic number.

It is an amenable number.

2998598665 is a deficient number, since it is larger than the sum of its proper divisors (796550135).

2998598665 is a wasteful number, since it uses less digits than its factorization.

2998598665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 973.

The product of its digits is 83980800, while the sum is 67.

The square root of 2998598665 is about 54759.4618764648. The cubic root of 2998598665 is about 1442.0249714660.

The spelling of 2998598665 in words is "two billion, nine hundred ninety-eight million, five hundred ninety-eight thousand, six hundred sixty-five".