68503418157 has 32 divisors (see below), whose sum is σ = 96856260480. Its totient is φ = 42990151680.

The previous prime is 68503418141. The next prime is 68503418167. The reversal of 68503418157 is 75181430586.

It is not a de Polignac number, because 68503418157 - 2⁴ = 68503418141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68503418167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6226053 + ... + 6237045.

It is an arithmetic number, because the mean of its divisors is an integer number (3026758140).

Almost surely, 2^68503418157 is an apocalyptic number.

It is an amenable number.

68503418157 is a deficient number, since it is larger than the sum of its proper divisors (28352842323).

68503418157 is a wasteful number, since it uses less digits than its factorization.

68503418157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12813.

The product of its (nonzero) digits is 806400, while the sum is 48.

The spelling of 68503418157 in words is "sixty-eight billion, five hundred three million, four hundred eighteen thousand, one hundred fifty-seven".