16723385020684 has 24 divisors (see below), whose sum is σ = 29919879435600. Its totient is φ = 8175924953664.

The previous prime is 16723385020663. The next prime is 16723385020687. The reversal of 16723385020684 is 48602058332761.

It is a super-2 number, since 2×16723385020684² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16723385020687) 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, 134552034 + ... + 134676265.

It is an arithmetic number, because the mean of its divisors is an integer number (1246661643150).

Almost surely, 2^{16723385020684} is an apocalyptic number.

It is an amenable number.

16723385020684 is a deficient number, since it is larger than the sum of its proper divisors (13196494414916).

16723385020684 is a wasteful number, since it uses less digits than its factorization.

16723385020684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269228649 (or 269228647 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 55.

The spelling of 16723385020684 in words is "sixteen trillion, seven hundred twenty-three billion, three hundred eighty-five million, twenty thousand, six hundred eighty-four".