2640452167 has 2 divisors, whose sum is σ = 2640452168. Its totient is φ = 2640452166.

The previous prime is 2640452149. The next prime is 2640452179. The reversal of 2640452167 is 7612540462.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2640452167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2640452147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1320226083 + 1320226084.

It is an arithmetic number, because the mean of its divisors is an integer number (1320226084).

Almost surely, 2^2640452167 is an apocalyptic number.

2640452167 is a deficient number, since it is larger than the sum of its proper divisors (1).

2640452167 is an equidigital number, since it uses as much as digits as its factorization.

2640452167 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 2640452167 is about 51385.3302704186. The cubic root of 2640452167 is about 1382.1635471882.

The spelling of 2640452167 in words is "two billion, six hundred forty million, four hundred fifty-two thousand, one hundred sixty-seven".