16366726372 has 24 divisors (see below), whose sum is σ = 29630624184. Its totient is φ = 7904063232.

The previous prime is 16366726307. The next prime is 16366726393. The reversal of 16366726372 is 27362766361.

It can be written as a sum of positive squares in 4 ways, for example, as 9887120356 + 6479606016 = 99434^2 + 80496^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 383323 + ... + 423874.

It is an arithmetic number, because the mean of its divisors is an integer number (1234609341).

Almost surely, 2^16366726372 is an apocalyptic number.

It is an amenable number.

16366726372 is a deficient number, since it is larger than the sum of its proper divisors (13263897812).

16366726372 is a wasteful number, since it uses less digits than its factorization.

16366726372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807375 (or 807373 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 49.

The spelling of 16366726372 in words is "sixteen billion, three hundred sixty-six million, seven hundred twenty-six thousand, three hundred seventy-two".