190266172 has 12 divisors (see below), whose sum is σ = 333146520. Its totient is φ = 95081456.

The previous prime is 190266163. The next prime is 190266211. The reversal of 190266172 is 271662091.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 3922 + ... + 19897.

It is an arithmetic number, because the mean of its divisors is an integer number (27762210).

Almost surely, 2^190266172 is an apocalyptic number.

It is an amenable number.

190266172 is a deficient number, since it is larger than the sum of its proper divisors (142880348).

190266172 is a wasteful number, since it uses less digits than its factorization.

190266172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25820 (or 25818 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 190266172 is about 13793.7004462182. The cubic root of 190266172 is about 575.1580379710.

The spelling of 190266172 in words is "one hundred ninety million, two hundred sixty-six thousand, one hundred seventy-two".