196647218208 has 192 divisors, whose sum is σ = 694049368320. Its totient is φ = 52879896576.

The previous prime is 196647218177. The next prime is 196647218221. The reversal of 196647218208 is 802812746691.

It is a happy number.

196647218208 is a `hidden beast` number, since 1 + 96 + 6 + 472 + 1 + 82 + 0 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 853491 + ... + 1059122.

It is an arithmetic number, because the mean of its divisors is an integer number (3614840460).

Almost surely, 2^196647218208 is an apocalyptic number.

196647218208 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

196647218208 is an abundant number, since it is smaller than the sum of its proper divisors (497402150112).

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

196647218208 is a wasteful number, since it uses less digits than its factorization.

196647218208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1912656 (or 1912642 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 54.

The spelling of 196647218208 in words is "one hundred ninety-six billion, six hundred forty-seven million, two hundred eighteen thousand, two hundred eight".