220896642168 has 48 divisors (see below), whose sum is σ = 618891460200. Its totient is φ = 71093171520.

The previous prime is 220896642149. The next prime is 220896642173. The reversal of 220896642168 is 861246698022.

220896642168 is a `hidden beast` number, since 2 + 20 + 89 + 66 + 421 + 68 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52894618 + ... + 52898793.

Almost surely, 2^220896642168 is an apocalyptic number.

It is an amenable number.

220896642168 is an abundant number, since it is smaller than the sum of its proper divisors (397994818032).

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

220896642168 is a wasteful number, since it uses less digits than its factorization.

220896642168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105793452 (or 105793445 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 54.

The spelling of 220896642168 in words is "two hundred twenty billion, eight hundred ninety-six million, six hundred forty-two thousand, one hundred sixty-eight".