196217566272 has 756 divisors, whose sum is σ = 731848306176. Its totient is φ = 50042603520.

The previous prime is 196217566261. The next prime is 196217566297. The reversal of 196217566272 is 272665712691.

It is a happy number.

196217566272 is a `hidden beast` number, since 1 + 9 + 6 + 2 + 1 + 7 + 5 + 6 + 627 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 147864873 + ... + 147866199.

Almost surely, 2^196217566272 is an apocalyptic number.

196217566272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 196217566272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (365924153088).

196217566272 is an abundant number, since it is smaller than the sum of its proper divisors (535630739904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

196217566272 is a wasteful number, since it uses less digits than its factorization.

196217566272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1416 (or 1383 counting only the distinct ones).

The product of its digits is 3810240, while the sum is 54.

The spelling of 196217566272 in words is "one hundred ninety-six billion, two hundred seventeen million, five hundred sixty-six thousand, two hundred seventy-two".