2167522563 has 8 divisors (see below), whose sum is σ = 2891270848. Its totient is φ = 1444394664.

The previous prime is 2167522549. The next prime is 2167522597. The reversal of 2167522563 is 3652257612.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2167522563 - 2⁹ = 2167522051 is a prime.

It is a super-2 number, since 2×2167522563² = 9396308122228177938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2167521563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146881 + ... + 160962.

It is an arithmetic number, because the mean of its divisors is an integer number (361408856).

Almost surely, 2^2167522563 is an apocalyptic number.

2167522563 is a deficient number, since it is larger than the sum of its proper divisors (723748285).

2167522563 is a wasteful number, since it uses less digits than its factorization.

2167522563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310193.

The product of its digits is 151200, while the sum is 39.

The square root of 2167522563 is about 46556.6597062117. The cubic root of 2167522563 is about 1294.1597114839.

The spelling of 2167522563 in words is "two billion, one hundred sixty-seven million, five hundred twenty-two thousand, five hundred sixty-three".