2165053662 has 12 divisors (see below), whose sum is σ = 4690949640. Its totient is φ = 721684548.

The previous prime is 2165053661. The next prime is 2165053673. The reversal of 2165053662 is 2663505612.

It is a happy number.

2165053662 is a `hidden beast` number, since 2 + 1 + 65 + 0 + 536 + 62 = 666.

It is a super-2 number, since 2×2165053662² = 9374914718679220488, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2165053661) 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, 60140362 + ... + 60140397.

It is an arithmetic number, because the mean of its divisors is an integer number (390912470).

Almost surely, 2^2165053662 is an apocalyptic number.

2165053662 is an abundant number, since it is smaller than the sum of its proper divisors (2525895978).

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

2165053662 is a wasteful number, since it uses less digits than its factorization.

2165053662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120280767 (or 120280764 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 2165053662 is about 46530.1371371287. The cubic root of 2165053662 is about 1293.6681570295.

The spelling of 2165053662 in words is "two billion, one hundred sixty-five million, fifty-three thousand, six hundred sixty-two".