2165645635702 has 16 divisors (see below), whose sum is σ = 3249564300000. Its totient is φ = 1082457604800.

The previous prime is 2165645635691. The next prime is 2165645635711. The reversal of 2165645635702 is 2075365465612.

It is a self number, because there is not a number n which added to its sum of digits gives 2165645635702.

It is a congruent number.

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, 141085924 + ... + 141101272.

It is an arithmetic number, because the mean of its divisors is an integer number (203097768750).

Almost surely, 2^{2165645635702} is an apocalyptic number.

2165645635702 is a deficient number, since it is larger than the sum of its proper divisors (1083918664298).

2165645635702 is a wasteful number, since it uses less digits than its factorization.

2165645635702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34551.

The product of its (nonzero) digits is 9072000, while the sum is 52.

The spelling of 2165645635702 in words is "two trillion, one hundred sixty-five billion, six hundred forty-five million, six hundred thirty-five thousand, seven hundred two".