168256164956 has 48 divisors (see below), whose sum is σ = 344770564320. Its totient is φ = 70995179520.

The previous prime is 168256164949. The next prime is 168256164971. The reversal of 168256164956 is 659461652861.

168256164956 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 168256164895 and 168256164904.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1486091 + ... + 1595298.

It is an arithmetic number, because the mean of its divisors is an integer number (7182720090).

Almost surely, 2^168256164956 is an apocalyptic number.

It is an amenable number.

168256164956 is an abundant number, since it is smaller than the sum of its proper divisors (176514399364).

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

168256164956 is a wasteful number, since it uses less digits than its factorization.

168256164956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3081494 (or 3081492 counting only the distinct ones).

The product of its digits is 18662400, while the sum is 59.

The spelling of 168256164956 in words is "one hundred sixty-eight billion, two hundred fifty-six million, one hundred sixty-four thousand, nine hundred fifty-six".