16390045791757 has 8 divisors (see below), whose sum is σ = 17887635918432. Its totient is φ = 14893719992400.

The previous prime is 16390045791697. The next prime is 16390045791773. The reversal of 16390045791757 is 75719754009361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16390045791757 - 2¹¹ = 16390045789709 is a prime.

It is a super-3 number, since 3×16390045791757³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16390045791157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316054719 + ... + 316106572.

It is an arithmetic number, because the mean of its divisors is an integer number (2235954489804).

Almost surely, 2^{16390045791757} is an apocalyptic number.

It is an amenable number.

16390045791757 is a deficient number, since it is larger than the sum of its proper divisors (1497590126675).

16390045791757 is a wasteful number, since it uses less digits than its factorization.

16390045791757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632163659.

The product of its (nonzero) digits is 50009400, while the sum is 64.

The spelling of 16390045791757 in words is "sixteen trillion, three hundred ninety billion, forty-five million, seven hundred ninety-one thousand, seven hundred fifty-seven".