16465738686 has 32 divisors (see below), whose sum is σ = 34384946688. Its totient is φ = 5246635680.

The previous prime is 16465738669. The next prime is 16465738711. The reversal of 16465738686 is 68683756461.

It is a super-2 number, since 2×16465738686² (a number of 21 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 15 ways as a sum of consecutive naturals, for example, 186895 + ... + 260501.

It is an arithmetic number, because the mean of its divisors is an integer number (1074529584).

Almost surely, 2^16465738686 is an apocalyptic number.

16465738686 is an abundant number, since it is smaller than the sum of its proper divisors (17919208002).

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

16465738686 is a wasteful number, since it uses less digits than its factorization.

16465738686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75256.

The product of its digits is 34836480, while the sum is 60.

The spelling of 16465738686 in words is "sixteen billion, four hundred sixty-five million, seven hundred thirty-eight thousand, six hundred eighty-six".