190956117 has 16 divisors (see below), whose sum is σ = 279531072. Its totient is φ = 114990720.

The previous prime is 190956113. The next prime is 190956127. The reversal of 190956117 is 711659091.

It is not a de Polignac number, because 190956117 - 2² = 190956113 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190956113) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 13248 + ... + 23609.

It is an arithmetic number, because the mean of its divisors is an integer number (17470692).

Almost surely, 2^190956117 is an apocalyptic number.

It is an amenable number.

190956117 is a deficient number, since it is larger than the sum of its proper divisors (88574955).

190956117 is a wasteful number, since it uses less digits than its factorization.

190956117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37028.

The product of its (nonzero) digits is 17010, while the sum is 39.

The square root of 190956117 is about 13818.6872386634. The cubic root of 190956117 is about 575.8524138420.

The spelling of 190956117 in words is "one hundred ninety million, nine hundred fifty-six thousand, one hundred seventeen".