2170553161 has 16 divisors (see below), whose sum is σ = 2544958080. Its totient is φ = 1812366720.

The previous prime is 2170553153. The next prime is 2170553191. The reversal of 2170553161 is 1613550712.

It is a cyclic number.

It is not a de Polignac number, because 2170553161 - 2³ = 2170553153 is a prime.

It is a super-2 number, since 2×2170553161² = 9422602049454183842, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2170553191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198150 + ... + 208816.

It is an arithmetic number, because the mean of its divisors is an integer number (159059880).

Almost surely, 2^2170553161 is an apocalyptic number.

It is an amenable number.

2170553161 is a deficient number, since it is larger than the sum of its proper divisors (374404919).

2170553161 is a wasteful number, since it uses less digits than its factorization.

2170553161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11424.

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 2170553161 is about 46589.1957539514. The cubic root of 2170553161 is about 1294.7625889177.

The spelling of 2170553161 in words is "two billion, one hundred seventy million, five hundred fifty-three thousand, one hundred sixty-one".