2165165407102 has 16 divisors (see below), whose sum is σ = 3619781177040. Its totient is φ = 965274979968.

The previous prime is 2165165407073. The next prime is 2165165407157. The reversal of 2165165407102 is 2017045615612.

It is a super-2 number, since 2×2165165407102² (a number of 25 digits) contains 22 as substring.

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, 1675823973 + ... + 1675825264.

It is an arithmetic number, because the mean of its divisors is an integer number (226236323565).

Almost surely, 2^{2165165407102} is an apocalyptic number.

2165165407102 is a deficient number, since it is larger than the sum of its proper divisors (1454615769938).

2165165407102 is a wasteful number, since it uses less digits than its factorization.

2165165407102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3351649275.

The product of its (nonzero) digits is 100800, while the sum is 40.

The spelling of 2165165407102 in words is "two trillion, one hundred sixty-five billion, one hundred sixty-five million, four hundred seven thousand, one hundred two".