2132161855 has 16 divisors (see below), whose sum is σ = 2708845920. Its totient is φ = 1606601088.

The previous prime is 2132161849. The next prime is 2132161891. The reversal of 2132161855 is 5581612312.

It is not a de Polignac number, because 2132161855 - 2¹⁷ = 2132030783 is a prime.

It is a super-2 number, since 2×2132161855² = 9092228351834082050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2132161855.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48432 + ... + 81301.

It is an arithmetic number, because the mean of its divisors is an integer number (169302870).

Almost surely, 2^2132161855 is an apocalyptic number.

2132161855 is a deficient number, since it is larger than the sum of its proper divisors (576684065).

2132161855 is a wasteful number, since it uses less digits than its factorization.

2132161855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129930.

The product of its digits is 14400, while the sum is 34.

The square root of 2132161855 is about 46175.3381687671. The cubic root of 2132161855 is about 1287.0835009347.

The spelling of 2132161855 in words is "two billion, one hundred thirty-two million, one hundred sixty-one thousand, eight hundred fifty-five".