168360861 has 8 divisors (see below), whose sum is σ = 224568000. Its totient is φ = 112197152.

The previous prime is 168360827. The next prime is 168360889. The reversal of 168360861 is 168063861.

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 168360861 - 2⁷ = 168360733 is a prime.

It is a super-2 number, since 2×168360861² = 56690759033322642, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168360811) 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, 360 + ... + 18353.

It is an arithmetic number, because the mean of its divisors is an integer number (28071000).

Almost surely, 2^168360861 is an apocalyptic number.

It is an amenable number.

168360861 is a deficient number, since it is larger than the sum of its proper divisors (56207139).

168360861 is a wasteful number, since it uses less digits than its factorization.

168360861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21715.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 168360861 is about 12975.3944448714. The cubic root of 168360861 is about 552.1796273998.

The spelling of 168360861 in words is "one hundred sixty-eight million, three hundred sixty thousand, eight hundred sixty-one".