196806631 has 8 divisors (see below), whose sum is σ = 232177664. Its totient is φ = 163249560.

The previous prime is 196806611. The next prime is 196806667. The reversal of 196806631 is 136608691.

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 196806631 - 2¹⁹ = 196282343 is a prime.

It is a super-2 number, since 2×196806631² = 77465700011140322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196806611) 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, 453255 + ... + 453688.

It is an arithmetic number, because the mean of its divisors is an integer number (29022208).

Almost surely, 2^196806631 is an apocalyptic number.

196806631 is a deficient number, since it is larger than the sum of its proper divisors (35371033).

196806631 is an equidigital number, since it uses as much as digits as its factorization.

196806631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906981.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 196806631 is about 14028.7786710034. The cubic root of 196806631 is about 581.6743443713.

The spelling of 196806631 in words is "one hundred ninety-six million, eight hundred six thousand, six hundred thirty-one".