16393073 has 6 divisors (see below), whose sum is σ = 16520994. Its totient is φ = 16266096.

The previous prime is 16393051. The next prime is 16393087. The reversal of 16393073 is 37039361.

It can be written as a sum of positive squares in only one way, i.e., 9591409 + 6801664 = 3097^2 + 2608^2 .

It is a de Polignac number, because none of the positive numbers 2^k-16393073 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16393093) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 26261 + ... + 26877.

It is an arithmetic number, because the mean of its divisors is an integer number (2753499).

Almost surely, 2^16393073 is an apocalyptic number.

It is an amenable number.

16393073 is a deficient number, since it is larger than the sum of its proper divisors (127921).

16393073 is an frugal number, since it uses more digits than its factorization.

16393073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 943 (or 780 counting only the distinct ones).

The product of its (nonzero) digits is 10206, while the sum is 32.

The square root of 16393073 is about 4048.8360055700. The cubic root of 16393073 is about 254.0310427680.

The spelling of 16393073 in words is "sixteen million, three hundred ninety-three thousand, seventy-three".