196776172 has 12 divisors (see below), whose sum is σ = 349076056. Its totient is φ = 97040160.

The previous prime is 196776161. The next prime is 196776187. The reversal of 196776172 is 271677691.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 336654 + ... + 337237.

Almost surely, 2^196776172 is an apocalyptic number.

It is an amenable number.

196776172 is a deficient number, since it is larger than the sum of its proper divisors (152299884).

196776172 is a wasteful number, since it uses less digits than its factorization.

196776172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673968 (or 673966 counting only the distinct ones).

The product of its digits is 222264, while the sum is 46.

The square root of 196776172 is about 14027.6930391280. The cubic root of 196776172 is about 581.6443349947.

The spelling of 196776172 in words is "one hundred ninety-six million, seven hundred seventy-six thousand, one hundred seventy-two".