2167552065 has 16 divisors (see below), whose sum is σ = 3963523968. Its totient is φ = 990880896.

The previous prime is 2167552061. The next prime is 2167552067. The reversal of 2167552065 is 5602557612.

It is not a de Polignac number, because 2167552065 - 2² = 2167552061 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2167552061) 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, 10321572 + ... + 10321781.

It is an arithmetic number, because the mean of its divisors is an integer number (247720248).

Almost surely, 2^2167552065 is an apocalyptic number.

It is an amenable number.

2167552065 is a deficient number, since it is larger than the sum of its proper divisors (1795971903).

2167552065 is a wasteful number, since it uses less digits than its factorization.

2167552065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20643368.

The product of its (nonzero) digits is 126000, while the sum is 39.

The square root of 2167552065 is about 46556.9765448746. The cubic root of 2167552065 is about 1294.1655830301.

The spelling of 2167552065 in words is "two billion, one hundred sixty-seven million, five hundred fifty-two thousand, sixty-five".