2998163647 has 16 divisors (see below), whose sum is σ = 3121286400. Its totient is φ = 2878247680.

The previous prime is 2998163621. The next prime is 2998163657. The reversal of 2998163647 is 7463618992.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2998163647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2998163657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 444879 + ... + 451567.

It is an arithmetic number, because the mean of its divisors is an integer number (195080400).

Almost surely, 2^2998163647 is an apocalyptic number.

2998163647 is a deficient number, since it is larger than the sum of its proper divisors (123122753).

2998163647 is a wasteful number, since it uses less digits than its factorization.

2998163647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6926.

The product of its digits is 3919104, while the sum is 55.

The square root of 2998163647 is about 54755.4896517235. The cubic root of 2998163647 is about 1441.9552347627.

The spelling of 2998163647 in words is "two billion, nine hundred ninety-eight million, one hundred sixty-three thousand, six hundred forty-seven".