2165137742416 has 20 divisors (see below), whose sum is σ = 4576313865024. Its totient is φ = 984153519200.

The previous prime is 2165137742377. The next prime is 2165137742423. The reversal of 2165137742416 is 6142477315612.

It is a self number, because there is not a number n which added to its sum of digits gives 2165137742416.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6150959320 + ... + 6150959671.

Almost surely, 2^{2165137742416} is an apocalyptic number.

It is an amenable number.

2165137742416 is an abundant number, since it is smaller than the sum of its proper divisors (2411176122608).

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

2165137742416 is a wasteful number, since it uses less digits than its factorization.

2165137742416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12301919010 (or 12301919004 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 49.

The spelling of 2165137742416 in words is "two trillion, one hundred sixty-five billion, one hundred thirty-seven million, seven hundred forty-two thousand, four hundred sixteen".