2160655272 has 24 divisors (see below), whose sum is σ = 5851774890. Its totient is φ = 720218400.

The previous prime is 2160655261. The next prime is 2160655279. The reversal of 2160655272 is 2725560612.

2160655272 is a `hidden beast` number, since 21 + 606 + 5 + 5 + 27 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1773588996 + 387066276 = 42114^2 + 19674^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (2160655279) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15004479 + ... + 15004622.

Almost surely, 2^2160655272 is an apocalyptic number.

It is an amenable number.

2160655272 is an abundant number, since it is smaller than the sum of its proper divisors (3691119618).

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

2160655272 is a wasteful number, since it uses less digits than its factorization.

2160655272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30009113 (or 30009106 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 2160655272 is about 46482.8492242031. The cubic root of 2160655272 is about 1292.7915175371.

The spelling of 2160655272 in words is "two billion, one hundred sixty million, six hundred fifty-five thousand, two hundred seventy-two".