16393066 has 16 divisors (see below), whose sum is σ = 27169344. Its totient is φ = 7378624.

The previous prime is 16393051. The next prime is 16393087. The reversal of 16393066 is 66039361.

It is a happy number.

It is a super-2 number, since 2×16393066² = 537465225760712, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9700 + ... + 11263.

It is an arithmetic number, because the mean of its divisors is an integer number (1698084).

Almost surely, 2^16393066 is an apocalyptic number.

16393066 is a deficient number, since it is larger than the sum of its proper divisors (10776278).

16393066 is a wasteful number, since it uses less digits than its factorization.

16393066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21005.

The product of its (nonzero) digits is 17496, while the sum is 34.

The square root of 16393066 is about 4048.8351411239. The cubic root of 16393066 is about 254.0310066101.

The spelling of 16393066 in words is "sixteen million, three hundred ninety-three thousand, sixty-six".