190350856185 has 128 divisors (see below), whose sum is σ = 376059801600. Its totient is φ = 80289792000.

The previous prime is 190350856159. The next prime is 190350856187. The reversal of 190350856185 is 581658053091.

It is a happy number.

It is not a de Polignac number, because 190350856185 - 2¹⁶ = 190350790649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (190350856187) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 11888185 + ... + 11904185.

It is an arithmetic number, because the mean of its divisors is an integer number (2937967200).

Almost surely, 2^190350856185 is an apocalyptic number.

190350856185 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

190350856185 is a deficient number, since it is larger than the sum of its proper divisors (185708945415).

190350856185 is a wasteful number, since it uses less digits than its factorization.

190350856185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16191.

The product of its (nonzero) digits is 1296000, while the sum is 51.

The spelling of 190350856185 in words is "one hundred ninety billion, three hundred fifty million, eight hundred fifty-six thousand, one hundred eighty-five".