196517631 has 8 divisors (see below), whose sum is σ = 262957104. Its totient is φ = 130544960.

The previous prime is 196517597. The next prime is 196517647. The reversal of 196517631 is 136715691.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 196517631 - 2⁶ = 196517567 is a prime.

It is a super-2 number, since 2×196517631² = 77238358587704322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 196517631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196513631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115716 + ... + 117401.

It is an arithmetic number, because the mean of its divisors is an integer number (32869638).

Almost surely, 2^196517631 is an apocalyptic number.

196517631 is a deficient number, since it is larger than the sum of its proper divisors (66439473).

196517631 is a wasteful number, since it uses less digits than its factorization.

196517631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233401.

The product of its digits is 34020, while the sum is 39.

The square root of 196517631 is about 14018.4746317137. The cubic root of 196517631 is about 581.3894856825.

The spelling of 196517631 in words is "one hundred ninety-six million, five hundred seventeen thousand, six hundred thirty-one".