68190115 has 16 divisors (see below), whose sum is σ = 95428800. Its totient is φ = 46757760.

The previous prime is 68190071. The next prime is 68190151. The reversal of 68190115 is 51109186.

It is not a de Polignac number, because 68190115 - 2⁹ = 68189603 is a prime.

It is an unprimeable number.

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, 18166 + ... + 21595.

It is an arithmetic number, because the mean of its divisors is an integer number (5964300).

Almost surely, 2^68190115 is an apocalyptic number.

68190115 is a deficient number, since it is larger than the sum of its proper divisors (27238685).

68190115 is an equidigital number, since it uses as much as digits as its factorization.

68190115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39787 (or 39773 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 31.

The square root of 68190115 is about 8257.7306204550. The cubic root of 68190115 is about 408.5455404924.

The spelling of 68190115 in words is "sixty-eight million, one hundred ninety thousand, one hundred fifteen".