168321077 has 8 divisors (see below), whose sum is σ = 170788800. Its totient is φ = 165871584.

The previous prime is 168321073. The next prime is 168321149. The reversal of 168321077 is 770123861.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 168321077 - 2² = 168321073 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168321073) 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, 14624 + ... + 23462.

It is an arithmetic number, because the mean of its divisors is an integer number (21348600).

Almost surely, 2^168321077 is an apocalyptic number.

It is an amenable number.

168321077 is a deficient number, since it is larger than the sum of its proper divisors (2467723).

168321077 is a wasteful number, since it uses less digits than its factorization.

168321077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9115.

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

The square root of 168321077 is about 12973.8612987807. The cubic root of 168321077 is about 552.1361302657.

The spelling of 168321077 in words is "one hundred sixty-eight million, three hundred twenty-one thousand, seventy-seven".