2161160655 has 8 divisors (see below), whose sum is σ = 3457857072. Its totient is φ = 1152619008.

The previous prime is 2161160633. The next prime is 2161160657. The reversal of 2161160655 is 5560611612.

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

It is not a de Polignac number, because 2161160655 - 2¹¹ = 2161158607 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2161160657) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72038674 + ... + 72038703.

It is an arithmetic number, because the mean of its divisors is an integer number (432232134).

Almost surely, 2^2161160655 is an apocalyptic number.

2161160655 is a deficient number, since it is larger than the sum of its proper divisors (1296696417).

2161160655 is a wasteful number, since it uses less digits than its factorization.

2161160655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144077385.

The product of its (nonzero) digits is 10800, while the sum is 33.

The square root of 2161160655 is about 46488.2851372257. The cubic root of 2161160655 is about 1292.8923054678.

The spelling of 2161160655 in words is "two billion, one hundred sixty-one million, one hundred sixty thousand, six hundred fifty-five".