68362161 has 32 divisors (see below), whose sum is σ = 108331008. Its totient is φ = 37523520.

The previous prime is 68362159. The next prime is 68362163. The reversal of 68362161 is 16126386.

It is an interprime number because it is at equal distance from previous prime (68362159) and next prime (68362163).

It is not a de Polignac number, because 68362161 - 2¹ = 68362159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68362163) 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 31 ways as a sum of consecutive naturals, for example, 112320 + ... + 112926.

It is an arithmetic number, because the mean of its divisors is an integer number (3385344).

Almost surely, 2^68362161 is an apocalyptic number.

It is an amenable number.

68362161 is a deficient number, since it is larger than the sum of its proper divisors (39968847).

68362161 is a wasteful number, since it uses less digits than its factorization.

68362161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821.

The product of its digits is 10368, while the sum is 33.

The square root of 68362161 is about 8268.1413268037. The cubic root of 68362161 is about 408.8888434049. Note that the first 4 decimals are identical.

The spelling of 68362161 in words is "sixty-eight million, three hundred sixty-two thousand, one hundred sixty-one".