190994099 has 16 divisors (see below), whose sum is σ = 213461280. Its totient is φ = 169827840.

The previous prime is 190994071. The next prime is 190994107. The reversal of 190994099 is 990499091.

It is a cyclic number.

It is not a de Polignac number, because 190994099 - 2¹² = 190990003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (190994299) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174197 + ... + 175289.

It is an arithmetic number, because the mean of its divisors is an integer number (13341330).

Almost surely, 2^190994099 is an apocalyptic number.

190994099 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

190994099 is a deficient number, since it is larger than the sum of its proper divisors (22467181).

190994099 is a wasteful number, since it uses less digits than its factorization.

190994099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1670.

The product of its (nonzero) digits is 236196, while the sum is 50.

The square root of 190994099 is about 13820.0614687490. The cubic root of 190994099 is about 575.8905911585.

The spelling of 190994099 in words is "one hundred ninety million, nine hundred ninety-four thousand, ninety-nine".