196112091 has 32 divisors (see below), whose sum is σ = 318922240. Its totient is φ = 104696064.

The previous prime is 196112089. The next prime is 196112093. The reversal of 196112091 is 190211691.

It is an interprime number because it is at equal distance from previous prime (196112089) and next prime (196112093).

It is not a de Polignac number, because 196112091 - 2¹ = 196112089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (196112093) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 25761 + ... + 32493.

It is an arithmetic number, because the mean of its divisors is an integer number (9966320).

Almost surely, 2^196112091 is an apocalyptic number.

196112091 is a deficient number, since it is larger than the sum of its proper divisors (122810149).

196112091 is a wasteful number, since it uses less digits than its factorization.

196112091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6835.

The product of its (nonzero) digits is 972, while the sum is 30.

The square root of 196112091 is about 14004.0026778061. The cubic root of 196112091 is about 580.9892856895.

The spelling of 196112091 in words is "one hundred ninety-six million, one hundred twelve thousand, ninety-one".