16693415227 has 2 divisors, whose sum is σ = 16693415228. Its totient is φ = 16693415226.

The previous prime is 16693415201. The next prime is 16693415231. The reversal of 16693415227 is 72251439661.

It is a happy number.

16693415227 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (72251439661) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16693415227 - 2⁷ = 16693415099 is a prime.

It is a super-2 number, since 2×16693415227² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16693415267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8346707613 + 8346707614.

It is an arithmetic number, because the mean of its divisors is an integer number (8346707614).

Almost surely, 2^16693415227 is an apocalyptic number.

16693415227 is a deficient number, since it is larger than the sum of its proper divisors (1).

16693415227 is an equidigital number, since it uses as much as digits as its factorization.

16693415227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 544320, while the sum is 46.

The spelling of 16693415227 in words is "sixteen billion, six hundred ninety-three million, four hundred fifteen thousand, two hundred twenty-seven".