168368855 has 16 divisors (see below), whose sum is σ = 211438080. Its totient is φ = 128465568.

The previous prime is 168368821. The next prime is 168368873. The reversal of 168368855 is 558863861.

It is a cyclic number.

It is not a de Polignac number, because 168368855 - 2²⁴ = 151591639 is a prime.

It is a super-2 number, since 2×168368855² = 56696142668022050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 41654 + ... + 45516.

It is an arithmetic number, because the mean of its divisors is an integer number (13214880).

Almost surely, 2^168368855 is an apocalyptic number.

168368855 is a deficient number, since it is larger than the sum of its proper divisors (43069225).

168368855 is a wasteful number, since it uses less digits than its factorization.

168368855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4270.

The product of its digits is 1382400, while the sum is 50.

The square root of 168368855 is about 12975.7024858001. The cubic root of 168368855 is about 552.1883666718.

The spelling of 168368855 in words is "one hundred sixty-eight million, three hundred sixty-eight thousand, eight hundred fifty-five".