190086972268 has 12 divisors (see below), whose sum is σ = 352219978152. Its totient is φ = 89452692800.

The previous prime is 190086972247. The next prime is 190086972277. The reversal of 190086972268 is 862279680091.

It is a super-2 number, since 2×190086972268² (a number of 23 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 1397698258 + ... + 1397698393.

It is an arithmetic number, because the mean of its divisors is an integer number (29351664846).

Almost surely, 2^190086972268 is an apocalyptic number.

It is an amenable number.

190086972268 is a deficient number, since it is larger than the sum of its proper divisors (162133005884).

190086972268 is a wasteful number, since it uses less digits than its factorization.

190086972268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2795396672 (or 2795396670 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 58.

The spelling of 190086972268 in words is "one hundred ninety billion, eighty-six million, nine hundred seventy-two thousand, two hundred sixty-eight".