3640311163 has 4 divisors (see below), whose sum is σ = 3717764640. Its totient is φ = 3562857688.

The previous prime is 3640311161. The next prime is 3640311173. The reversal of 3640311163 is 3611130463.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3640311163 - 2¹ = 3640311161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3640311161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38726668 + ... + 38726761.

It is an arithmetic number, because the mean of its divisors is an integer number (929441160).

Almost surely, 2^3640311163 is an apocalyptic number.

3640311163 is a deficient number, since it is larger than the sum of its proper divisors (77453477).

3640311163 is an equidigital number, since it uses as much as digits as its factorization.

3640311163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77453476.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 3640311163 is about 60334.9911991375. The cubic root of 3640311163 is about 1538.3181677364.

The spelling of 3640311163 in words is "three billion, six hundred forty million, three hundred eleven thousand, one hundred sixty-three".