68192412815 has 8 divisors (see below), whose sum is σ = 81841647888. Its totient is φ = 54546761920.

The previous prime is 68192412803. The next prime is 68192412829. The reversal of 68192412815 is 51821429186.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 68192412815 - 2⁶ = 68192412751 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 68192412815.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 854006 + ... + 930435.

It is an arithmetic number, because the mean of its divisors is an integer number (10230205986).

Almost surely, 2^68192412815 is an apocalyptic number.

68192412815 is a deficient number, since it is larger than the sum of its proper divisors (13649235073).

68192412815 is a wasteful number, since it uses less digits than its factorization.

68192412815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1792089.

The product of its digits is 276480, while the sum is 47.

The spelling of 68192412815 in words is "sixty-eight billion, one hundred ninety-two million, four hundred twelve thousand, eight hundred fifteen".