68163315 has 16 divisors (see below), whose sum is σ = 118976256. Its totient is φ = 33048800.

The previous prime is 68163307. The next prime is 68163331. The reversal of 68163315 is 51336186.

It is not a de Polignac number, because 68163315 - 2³ = 68163307 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206391 + ... + 206720.

It is an arithmetic number, because the mean of its divisors is an integer number (7436016).

Almost surely, 2^68163315 is an apocalyptic number.

68163315 is a deficient number, since it is larger than the sum of its proper divisors (50812941).

68163315 is a wasteful number, since it uses less digits than its factorization.

68163315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413130.

The product of its digits is 12960, while the sum is 33.

The square root of 68163315 is about 8256.1077391226. The cubic root of 68163315 is about 408.4920114475.

The spelling of 68163315 in words is "sixty-eight million, one hundred sixty-three thousand, three hundred fifteen".