67801018063 has 4 divisors (see below), whose sum is σ = 67812025528. Its totient is φ = 67790010600.

The previous prime is 67801018049. The next prime is 67801018081. The reversal of 67801018063 is 36081010876.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67801018063 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 (67801018163) 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, 5494488 + ... + 5506813.

It is an arithmetic number, because the mean of its divisors is an integer number (16953006382).

Almost surely, 2^67801018063 is an apocalyptic number.

67801018063 is a deficient number, since it is larger than the sum of its proper divisors (11007465).

67801018063 is a wasteful number, since it uses less digits than its factorization.

67801018063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11007464.

The product of its (nonzero) digits is 48384, while the sum is 40.

The spelling of 67801018063 in words is "sixty-seven billion, eight hundred one million, eighteen thousand, sixty-three".