196221294180 has 96 divisors (see below), whose sum is σ = 616759879680. Its totient is φ = 51786224640.

The previous prime is 196221294169. The next prime is 196221294233. The reversal of 196221294180 is 81492122691.

It is a happy number.

196221294180 is a `hidden beast` number, since 1 + 9 + 6 + 221 + 2 + 9 + 418 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 1820676 + ... + 1925435.

It is an arithmetic number, because the mean of its divisors is an integer number (6424582080).

Almost surely, 2^196221294180 is an apocalyptic number.

196221294180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

196221294180 is an abundant number, since it is smaller than the sum of its proper divisors (420538585500).

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

196221294180 is a wasteful number, since it uses less digits than its factorization.

196221294180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3746226 (or 3746218 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The spelling of 196221294180 in words is "one hundred ninety-six billion, two hundred twenty-one million, two hundred ninety-four thousand, one hundred eighty".