190000916225 has 12 divisors (see below), whose sum is σ = 235625358000. Its totient is φ = 151985106000.

The previous prime is 190000916129. The next prime is 190000916227. The reversal of 190000916225 is 522619000091.

It is not a de Polignac number, because 190000916225 - 2²² = 189996721921 is a prime.

It is a super-2 number, since 2×190000916225² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (190000916227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 139475 + ... + 632024.

It is an arithmetic number, because the mean of its divisors is an integer number (19635446500).

Almost surely, 2^190000916225 is an apocalyptic number.

It is an amenable number.

190000916225 is a deficient number, since it is larger than the sum of its proper divisors (45624441775).

190000916225 is an equidigital number, since it uses as much as digits as its factorization.

190000916225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781360 (or 781355 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 35.

The spelling of 190000916225 in words is "one hundred ninety billion, nine hundred sixteen thousand, two hundred twenty-five".