196663230610561 has 96 divisors (see below), whose sum is σ = 254021970787200. Its totient is φ = 149895397048320.

The previous prime is 196663230610547. The next prime is 196663230610571. The reversal of 196663230610561 is 165016032366691.

It is not a de Polignac number, because 196663230610561 - 2⁵ = 196663230610529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (196663230610501) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2532355750 + ... + 2532433408.

It is an arithmetic number, because the mean of its divisors is an integer number (2646062195700).

Almost surely, 2^{196663230610561} is an apocalyptic number.

196663230610561 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

196663230610561 is a deficient number, since it is larger than the sum of its proper divisors (57358740176639).

196663230610561 is a wasteful number, since it uses less digits than its factorization.

196663230610561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79859 (or 79842 counting only the distinct ones).

The product of its (nonzero) digits is 6298560, while the sum is 55.

The spelling of 196663230610561 in words is "one hundred ninety-six trillion, six hundred sixty-three billion, two hundred thirty million, six hundred ten thousand, five hundred sixty-one".