196563631 has 8 divisors (see below), whose sum is σ = 215874000. Its totient is φ = 177493440.

The previous prime is 196563599. The next prime is 196563641. The reversal of 196563631 is 136365691.

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 196563631 - 2⁵ = 196563599 is a prime.

It is a super-2 number, since 2×196563631² = 77274522063808322, 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 (196563641) 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, 58326 + ... + 61603.

It is an arithmetic number, because the mean of its divisors is an integer number (26984250).

Almost surely, 2^196563631 is an apocalyptic number.

196563631 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

196563631 is a deficient number, since it is larger than the sum of its proper divisors (19310369).

196563631 is a wasteful number, since it uses less digits than its factorization.

196563631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120089.

The product of its digits is 87480, while the sum is 40.

The square root of 196563631 is about 14020.1152277718. The cubic root of 196563631 is about 581.4348451917.

The spelling of 196563631 in words is "one hundred ninety-six million, five hundred sixty-three thousand, six hundred thirty-one".