68182899 has 4 divisors (see below), whose sum is σ = 90910536. Its totient is φ = 45455264.

The previous prime is 68182889. The next prime is 68182901. The reversal of 68182899 is 99828186.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68182899 - 2⁴ = 68182883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68182859) 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 3 ways as a sum of consecutive naturals, for example, 11363814 + ... + 11363819.

It is an arithmetic number, because the mean of its divisors is an integer number (22727634).

Almost surely, 2^68182899 is an apocalyptic number.

68182899 is a deficient number, since it is larger than the sum of its proper divisors (22727637).

68182899 is a wasteful number, since it uses less digits than its factorization.

68182899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22727636.

The product of its digits is 497664, while the sum is 51.

The square root of 68182899 is about 8257.2936849794. The cubic root of 68182899 is about 408.5311289773.

The spelling of 68182899 in words is "sixty-eight million, one hundred eighty-two thousand, eight hundred ninety-nine".