873168820056 has 160 divisors (see below), whose sum is σ = 2788740995040. Its totient is φ = 252863327232.

The previous prime is 873168819923. The next prime is 873168820087. The reversal of 873168820056 is 650028861378.

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

It is a junction number, because it is equal to n+sod(n) for n = 873168819984 and 873168820011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2905396 + ... + 3191811.

It is an arithmetic number, because the mean of its divisors is an integer number (17429631219).

Almost surely, 2^873168820056 is an apocalyptic number.

It is an amenable number.

873168820056 is an abundant number, since it is smaller than the sum of its proper divisors (1915572174984).

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

873168820056 is a wasteful number, since it uses less digits than its factorization.

873168820056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6097255 (or 6097242 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 54.

The spelling of 873168820056 in words is "eight hundred seventy-three billion, one hundred sixty-eight million, eight hundred twenty thousand, fifty-six".