16366726356 has 12 divisors (see below), whose sum is σ = 38189028192. Its totient is φ = 5455575448.

The previous prime is 16366726307. The next prime is 16366726393. The reversal of 16366726356 is 65362766361.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×16366726356² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16366726299 and 16366726308.

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, 681946920 + ... + 681946943.

It is an arithmetic number, because the mean of its divisors is an integer number (3182419016).

Almost surely, 2^16366726356 is an apocalyptic number.

It is an amenable number.

16366726356 is an abundant number, since it is smaller than the sum of its proper divisors (21822301836).

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

16366726356 is a wasteful number, since it uses less digits than its factorization.

16366726356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1363893870 (or 1363893868 counting only the distinct ones).

The product of its digits is 4898880, while the sum is 51.

The spelling of 16366726356 in words is "sixteen billion, three hundred sixty-six million, seven hundred twenty-six thousand, three hundred fifty-six".