2201557164 has 12 divisors (see below), whose sum is σ = 5136966744. Its totient is φ = 733852384.

The previous prime is 2201557073. The next prime is 2201557213. The reversal of 2201557164 is 4617551022.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91731537 + ... + 91731560.

It is an arithmetic number, because the mean of its divisors is an integer number (428080562).

Almost surely, 2^2201557164 is an apocalyptic number.

It is an amenable number.

2201557164 is an abundant number, since it is smaller than the sum of its proper divisors (2935409580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2201557164 is a wasteful number, since it uses less digits than its factorization.

2201557164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183463104 (or 183463102 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 2201557164 is about 46920.7540860119. The cubic root of 2201557164 is about 1300.8982281462.

The spelling of 2201557164 in words is "two billion, two hundred one million, five hundred fifty-seven thousand, one hundred sixty-four".