68180671 has 16 divisors (see below), whose sum is σ = 78414336. Its totient is φ = 58788576.

The previous prime is 68180657. The next prime is 68180681. The reversal of 68180671 is 17608186.

It is a cyclic number.

It is not a de Polignac number, because 68180671 - 2⁵ = 68180639 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68180671.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68180681) 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 15 ways as a sum of consecutive naturals, for example, 10206 + ... + 15508.

It is an arithmetic number, because the mean of its divisors is an integer number (4900896).

Almost surely, 2^68180671 is an apocalyptic number.

68180671 is a deficient number, since it is larger than the sum of its proper divisors (10233665).

68180671 is a wasteful number, since it uses less digits than its factorization.

68180671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5382.

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 68180671 is about 8257.1587728467. The cubic root of 68180671 is about 408.5266790967.

The spelling of 68180671 in words is "sixty-eight million, one hundred eighty thousand, six hundred seventy-one".