190000916227 has 2 divisors, whose sum is σ = 190000916228. Its totient is φ = 190000916226.

The previous prime is 190000916129. The next prime is 190000916293. The reversal of 190000916227 is 722619000091.

It is a strong prime.

It is an emirp because it is prime and its reverse (722619000091) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-190000916227 is a prime.

It is a super-2 number, since 2×190000916227² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (190000911227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95000458113 + 95000458114.

It is an arithmetic number, because the mean of its divisors is an integer number (95000458114).

Almost surely, 2^190000916227 is an apocalyptic number.

190000916227 is a deficient number, since it is larger than the sum of its proper divisors (1).

190000916227 is an equidigital number, since it uses as much as digits as its factorization.

190000916227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 37.

The spelling of 190000916227 in words is "one hundred ninety billion, nine hundred sixteen thousand, two hundred twenty-seven".