67816494263 has 24 divisors (see below), whose sum is σ = 79128121392. Its totient is φ = 57952226304.

The previous prime is 67816494247. The next prime is 67816494269. The reversal of 67816494263 is 36249461876.

It is not a de Polignac number, because 67816494263 - 2⁴ = 67816494247 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 67816494199 and 67816494208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67816494269) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38817956 + ... + 38819702.

It is an arithmetic number, because the mean of its divisors is an integer number (3297005058).

Almost surely, 2^67816494263 is an apocalyptic number.

67816494263 is a deficient number, since it is larger than the sum of its proper divisors (11311627129).

67816494263 is a wasteful number, since it uses less digits than its factorization.

67816494263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3711 (or 3704 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 56.

The spelling of 67816494263 in words is "sixty-seven billion, eight hundred sixteen million, four hundred ninety-four thousand, two hundred sixty-three".