196999117 has 16 divisors (see below), whose sum is σ = 243037440. Its totient is φ = 155941632.

The previous prime is 196999093. The next prime is 196999129. The reversal of 196999117 is 711999691.

It is a de Polignac number, because none of the positive numbers 2^k-196999117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196999147) 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, 16428 + ... + 25765.

It is an arithmetic number, because the mean of its divisors is an integer number (15189840).

Almost surely, 2^196999117 is an apocalyptic number.

It is an amenable number.

196999117 is a deficient number, since it is larger than the sum of its proper divisors (46038323).

196999117 is a wasteful number, since it uses less digits than its factorization.

196999117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42252.

The product of its digits is 275562, while the sum is 52.

The square root of 196999117 is about 14035.6373920104. The cubic root of 196999117 is about 581.8639173971.

The spelling of 196999117 in words is "one hundred ninety-six million, nine hundred ninety-nine thousand, one hundred seventeen".