16366393926198 has 48 divisors (see below), whose sum is σ = 35530172243280. Its totient is φ = 5444750031552.

The previous prime is 16366393926173. The next prime is 16366393926217. The reversal of 16366393926198 is 89162939366361.

16366393926198 is a `hidden beast` number, since 1 + 6 + 3 + 6 + 6 + 393 + 92 + 61 + 98 = 666.

It is a Smith number, since the sum of its digits (72) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 260293908 + ... + 260356776.

It is an arithmetic number, because the mean of its divisors is an integer number (740211921735).

Almost surely, 2^{16366393926198} is an apocalyptic number.

16366393926198 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

16366393926198 is an abundant number, since it is smaller than the sum of its proper divisors (19163778317082).

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

16366393926198 is a wasteful number, since it uses less digits than its factorization.

16366393926198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91053 (or 91050 counting only the distinct ones).

The product of its digits is 408146688, while the sum is 72.

The spelling of 16366393926198 in words is "sixteen trillion, three hundred sixty-six billion, three hundred ninety-three million, nine hundred twenty-six thousand, one hundred ninety-eight".