168063861 has 8 divisors (see below), whose sum is σ = 256097344. Its totient is φ = 96036480.

The previous prime is 168063859. The next prime is 168063871. The reversal of 168063861 is 168360861.

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

It is not a de Polignac number, because 168063861 - 2¹ = 168063859 is a prime.

It is a super-2 number, since 2×168063861² = 56490922748454642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168063811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4001500 + ... + 4001541.

It is an arithmetic number, because the mean of its divisors is an integer number (32012168).

Almost surely, 2^168063861 is an apocalyptic number.

It is an amenable number.

168063861 is a deficient number, since it is larger than the sum of its proper divisors (88033483).

168063861 is an equidigital number, since it uses as much as digits as its factorization.

168063861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8003051.

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

The square root of 168063861 is about 12963.9446543095. The cubic root of 168063861 is about 551.8547421560.

The spelling of 168063861 in words is "one hundred sixty-eight million, sixty-three thousand, eight hundred sixty-one".