67618346801 has 4 divisors (see below), whose sum is σ = 67908554532. Its totient is φ = 67328139072.

The previous prime is 67618346797. The next prime is 67618346827. The reversal of 67618346801 is 10864381676.

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

It can be written as a sum of positive squares in 2 ways, for example, as 15142533025 + 52475813776 = 123055^2 + 229076^2 .

It is a cyclic number.

It is not a de Polignac number, because 67618346801 - 2² = 67618346797 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 67618346801.

It is not an unprimeable number, because it can be changed into a prime (67618346881) 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, 145103516 + ... + 145103981.

It is an arithmetic number, because the mean of its divisors is an integer number (16977138633).

Almost surely, 2^67618346801 is an apocalyptic number.

It is an amenable number.

67618346801 is a deficient number, since it is larger than the sum of its proper divisors (290207731).

67618346801 is a wasteful number, since it uses less digits than its factorization.

67618346801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290207730.

The product of its (nonzero) digits is 1161216, while the sum is 50.

The spelling of 67618346801 in words is "sixty-seven billion, six hundred eighteen million, three hundred forty-six thousand, eight hundred one".