168231770 has 16 divisors (see below), whose sum is σ = 346076928. Its totient is φ = 57679440.

The previous prime is 168231751. The next prime is 168231797. The reversal of 168231770 is 77132861.

168231770 is digitally balanced in base 3, 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 (35).

It is a self number, because there is not a number n which added to its sum of digits gives 168231770.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1201586 + ... + 1201725.

It is an arithmetic number, because the mean of its divisors is an integer number (21629808).

Almost surely, 2^168231770 is an apocalyptic number.

168231770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

168231770 is an abundant number, since it is smaller than the sum of its proper divisors (177845158).

168231770 is a wasteful number, since it uses less digits than its factorization.

168231770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2403325.

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 168231770 is about 12970.4190371784. The cubic root of 168231770 is about 552.0384630658.

The spelling of 168231770 in words is "one hundred sixty-eight million, two hundred thirty-one thousand, seven hundred seventy".