2165476653 has 8 divisors (see below), whose sum is σ = 3208113600. Its totient is φ = 1443651084.

The previous prime is 2165476639. The next prime is 2165476667. The reversal of 2165476653 is 3566745612.

It is an interprime number because it is at equal distance from previous prime (2165476639) and next prime (2165476667).

It is not a de Polignac number, because 2165476653 - 2⁶ = 2165476589 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2165476599 and 2165476608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2165476633) 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, 40101393 + ... + 40101446.

It is an arithmetic number, because the mean of its divisors is an integer number (401014200).

Almost surely, 2^2165476653 is an apocalyptic number.

It is an amenable number.

2165476653 is a deficient number, since it is larger than the sum of its proper divisors (1042636947).

2165476653 is an equidigital number, since it uses as much as digits as its factorization.

2165476653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80202848 (or 80202842 counting only the distinct ones).

The product of its digits is 907200, while the sum is 45.

The square root of 2165476653 is about 46534.6822595793. The cubic root of 2165476653 is about 1293.7524004156.

The spelling of 2165476653 in words is "two billion, one hundred sixty-five million, four hundred seventy-six thousand, six hundred fifty-three".