2162160566265 has 16 divisors (see below), whose sum is σ = 3953665035648. Its totient is φ = 988416258816.

The previous prime is 2162160566249. The next prime is 2162160566297. The reversal of 2162160566265 is 5626650612612.

It is not a de Polignac number, because 2162160566265 - 2⁴ = 2162160566249 is a prime.

It is a super-2 number, since 2×2162160566265² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10296002592 + ... + 10296002801.

It is an arithmetic number, because the mean of its divisors is an integer number (247104064728).

Almost surely, 2^{2162160566265} is an apocalyptic number.

It is an amenable number.

2162160566265 is a deficient number, since it is larger than the sum of its proper divisors (1791504469383).

2162160566265 is a wasteful number, since it uses less digits than its factorization.

2162160566265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20592005408.

The product of its (nonzero) digits is 1555200, while the sum is 48.

The spelling of 2162160566265 in words is "two trillion, one hundred sixty-two billion, one hundred sixty million, five hundred sixty-six thousand, two hundred sixty-five".