68249166 has 32 divisors (see below), whose sum is σ = 142027776. Its totient is φ = 21840000.

The previous prime is 68249161. The next prime is 68249171. The reversal of 68249166 is 66194286.

It is an interprime number because it is at equal distance from previous prime (68249161) and next prime (68249171).

It is a super-3 number, since 3×68249166³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68249161) by changing a digit.

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, 22966 + ... + 25766.

It is an arithmetic number, because the mean of its divisors is an integer number (4438368).

Almost surely, 2^68249166 is an apocalyptic number.

68249166 is an abundant number, since it is smaller than the sum of its proper divisors (73778610).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68249166 is a wasteful number, since it uses less digits than its factorization.

68249166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2968.

The product of its digits is 124416, while the sum is 42.

The square root of 68249166 is about 8261.3053447987. The cubic root of 68249166 is about 408.6634366721.

The spelling of 68249166 in words is "sixty-eight million, two hundred forty-nine thousand, one hundred sixty-six".