68166995 has 12 divisors (see below), whose sum is σ = 88577856. Its totient is φ = 50338080.

The previous prime is 68166979. The next prime is 68167037. The reversal of 68166995 is 59966186.

It is not a de Polignac number, because 68166995 - 2⁴ = 68166979 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39491 + ... + 41180.

It is an arithmetic number, because the mean of its divisors is an integer number (7381488).

Almost surely, 2^68166995 is an apocalyptic number.

68166995 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

68166995 is a deficient number, since it is larger than the sum of its proper divisors (20410861).

68166995 is a wasteful number, since it uses less digits than its factorization.

68166995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80702 (or 80689 counting only the distinct ones).

The product of its digits is 699840, while the sum is 50.

The square root of 68166995 is about 8256.3306014234. The cubic root of 68166995 is about 408.4993625353.

It can be divided in two parts, 681 and 66995, that added together give a palindrome (67676).

The spelling of 68166995 in words is "sixty-eight million, one hundred sixty-six thousand, nine hundred ninety-five".