2170189553 has 16 divisors (see below), whose sum is σ = 2629689984. Its totient is φ = 1748355840.

The previous prime is 2170189547. The next prime is 2170189561. The reversal of 2170189553 is 3559810712.

2170189553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2170189553 - 2⁴ = 2170189537 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2170189553.

It is not an unprimeable number, because it can be changed into a prime (2170189543) 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, 78038 + ... + 102128.

It is an arithmetic number, because the mean of its divisors is an integer number (164355624).

Almost surely, 2^2170189553 is an apocalyptic number.

It is an amenable number.

2170189553 is a deficient number, since it is larger than the sum of its proper divisors (459500431).

2170189553 is a wasteful number, since it uses less digits than its factorization.

2170189553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24872.

The product of its (nonzero) digits is 75600, while the sum is 41.

The square root of 2170189553 is about 46585.2933123749. The cubic root of 2170189553 is about 1294.6902859468.

The spelling of 2170189553 in words is "two billion, one hundred seventy million, one hundred eighty-nine thousand, five hundred fifty-three".