2165563455306 has 16 divisors (see below), whose sum is σ = 4423278547584. Its totient is φ = 706495878944.

The previous prime is 2165563455283. The next prime is 2165563455317. The reversal of 2165563455306 is 6035543655612.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3839651235 + ... + 3839651798.

It is an arithmetic number, because the mean of its divisors is an integer number (276454909224).

Almost surely, 2^{2165563455306} is an apocalyptic number.

2165563455306 is an abundant number, since it is smaller than the sum of its proper divisors (2257715092278).

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

2165563455306 is a wasteful number, since it uses less digits than its factorization.

2165563455306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7679303085.

The product of its (nonzero) digits is 9720000, while the sum is 51.

The spelling of 2165563455306 in words is "two trillion, one hundred sixty-five billion, five hundred sixty-three million, four hundred fifty-five thousand, three hundred six".