168894790 has 16 divisors (see below), whose sum is σ = 304582320. Its totient is φ = 67430880.

The previous prime is 168894749. The next prime is 168894793. The reversal of 168894790 is 97498861.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168894793) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10200 + ... + 21019.

It is an arithmetic number, because the mean of its divisors is an integer number (19036395).

Almost surely, 2^168894790 is an apocalyptic number.

168894790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

168894790 is a deficient number, since it is larger than the sum of its proper divisors (135687530).

168894790 is a wasteful number, since it uses less digits than its factorization.

168894790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31767.

The product of its (nonzero) digits is 870912, while the sum is 52.

The square root of 168894790 is about 12995.9528315549. The cubic root of 168894790 is about 552.7627272954.

The spelling of 168894790 in words is "one hundred sixty-eight million, eight hundred ninety-four thousand, seven hundred ninety".