196211963618 has 64 divisors (see below), whose sum is σ = 333086515200. Its totient is φ = 85927770240.

The previous prime is 196211963599. The next prime is 196211963659. The reversal of 196211963618 is 816369112691.

It is a self number, because there is not a number n which added to its sum of digits gives 196211963618.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14041271 + ... + 14055237.

It is an arithmetic number, because the mean of its divisors is an integer number (5204476800).

Almost surely, 2^196211963618 is an apocalyptic number.

196211963618 is a deficient number, since it is larger than the sum of its proper divisors (136874551582).

196211963618 is a wasteful number, since it uses less digits than its factorization.

196211963618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14255.

The product of its digits is 839808, while the sum is 53.

The spelling of 196211963618 in words is "one hundred ninety-six billion, two hundred eleven million, nine hundred sixty-three thousand, six hundred eighteen".