2640015163 has 2 divisors, whose sum is σ = 2640015164. Its totient is φ = 2640015162.

The previous prime is 2640015109. The next prime is 2640015181. The reversal of 2640015163 is 3615100462.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2640015163 - 2⁹ = 2640014651 is a prime.

It is not a weakly prime, because it can be changed into another prime (2640015193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1320007581 + 1320007582.

It is an arithmetic number, because the mean of its divisors is an integer number (1320007582).

Almost surely, 2^2640015163 is an apocalyptic number.

2640015163 is a deficient number, since it is larger than the sum of its proper divisors (1).

2640015163 is an equidigital number, since it uses as much as digits as its factorization.

2640015163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 2640015163 is about 51381.0778691923. The cubic root of 2640015163 is about 1382.0872920261.

The spelling of 2640015163 in words is "two billion, six hundred forty million, fifteen thousand, one hundred sixty-three".