168861304 has 32 divisors (see below), whose sum is σ = 323222400. Its totient is φ = 82680160.

The previous prime is 168861299. The next prime is 168861307. The reversal of 168861304 is 403168861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168861307) 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, 163269 + ... + 164299.

It is an arithmetic number, because the mean of its divisors is an integer number (10100700).

Almost surely, 2^168861304 is an apocalyptic number.

It is an amenable number.

168861304 is a deficient number, since it is larger than the sum of its proper divisors (154361096).

168861304 is a wasteful number, since it uses less digits than its factorization.

168861304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1443 (or 1439 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 168861304 is about 12994.6644435322. The cubic root of 168861304 is about 552.7261936322.

The spelling of 168861304 in words is "one hundred sixty-eight million, eight hundred sixty-one thousand, three hundred four".