68160503 has 4 divisors (see below), whose sum is σ = 68226408. Its totient is φ = 68094600.

The previous prime is 68160493. The next prime is 68160511. The reversal of 68160503 is 30506186.

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 68160503 - 2²⁴ = 51383287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68160553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31376 + ... + 33477.

It is an arithmetic number, because the mean of its divisors is an integer number (17056602).

Almost surely, 2^68160503 is an apocalyptic number.

68160503 is a deficient number, since it is larger than the sum of its proper divisors (65905).

68160503 is a wasteful number, since it uses less digits than its factorization.

68160503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65904.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 68160503 is about 8255.9374392010. The cubic root of 68160503 is about 408.4863940792.

Adding to 68160503 its reverse (30506186), we get a palindrome (98666689).

The spelling of 68160503 in words is "sixty-eight million, one hundred sixty thousand, five hundred three".