16390045791702 has 80 divisors (see below), whose sum is σ = 40229432160192. Its totient is φ = 4966680411720.

The previous prime is 16390045791697. The next prime is 16390045791773. The reversal of 16390045791702 is 20719754009361.

16390045791702 is a `hidden beast` number, since 1 + 6 + 39 + 0 + 0 + 457 + 91 + 70 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 18491988 + ... + 19358039.

Almost surely, 2^{16390045791702} is an apocalyptic number.

16390045791702 is an abundant number, since it is smaller than the sum of its proper divisors (23839386368490).

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

16390045791702 is an frugal number, since it uses more digits than its factorization.

16390045791702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37850067 (or 37850043 counting only the distinct ones).

The product of its (nonzero) digits is 2857680, while the sum is 54.

The spelling of 16390045791702 in words is "sixteen trillion, three hundred ninety billion, forty-five million, seven hundred ninety-one thousand, seven hundred two".