68180886 has 32 divisors (see below), whose sum is σ = 155041920. Its totient is φ = 22197672.

The previous prime is 68180867. The next prime is 68180951. The reversal of 68180886 is 68808186.

It is a happy number.

It is a Curzon number.

It is a congruent number.

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, 12360 + ... + 17003.

It is an arithmetic number, because the mean of its divisors is an integer number (4845060).

Almost surely, 2^68180886 is an apocalyptic number.

68180886 is an abundant number, since it is smaller than the sum of its proper divisors (86861034).

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

68180886 is a wasteful number, since it uses less digits than its factorization.

68180886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29417 (or 29411 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 45.

The square root of 68180886 is about 8257.1717918425. The cubic root of 68180886 is about 408.5271085104.

The spelling of 68180886 in words is "sixty-eight million, one hundred eighty thousand, eight hundred eighty-six".