168770872 has 64 divisors (see below), whose sum is σ = 343284480. Its totient is φ = 77586432.

The previous prime is 168770867. The next prime is 168770891. The reversal of 168770872 is 278077861.

168770872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 656568 + ... + 656824.

It is an arithmetic number, because the mean of its divisors is an integer number (5363820).

Almost surely, 2^168770872 is an apocalyptic number.

It is an amenable number.

168770872 is an abundant number, since it is smaller than the sum of its proper divisors (174513608).

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

168770872 is a wasteful number, since it uses less digits than its factorization.

168770872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412 (or 408 counting only the distinct ones).

The product of its (nonzero) digits is 263424, while the sum is 46.

The square root of 168770872 is about 12991.1843955815. The cubic root of 168770872 is about 552.6275069992.

The spelling of 168770872 in words is "one hundred sixty-eight million, seven hundred seventy thousand, eight hundred seventy-two".