65671318003 has 8 divisors (see below), whose sum is σ = 70127326080. Its totient is φ = 61361408640.

The previous prime is 65671317949. The next prime is 65671318043. The reversal of 65671318003 is 30081317656.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 65671318003 - 2¹³ = 65671309811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65671318043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36523750 + ... + 36525547.

It is an arithmetic number, because the mean of its divisors is an integer number (8765915760).

Almost surely, 2^65671318003 is an apocalyptic number.

65671318003 is a deficient number, since it is larger than the sum of its proper divisors (4456008077).

65671318003 is a wasteful number, since it uses less digits than its factorization.

65671318003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73049357.

The product of its (nonzero) digits is 90720, while the sum is 40.

The spelling of 65671318003 in words is "sixty-five billion, six hundred seventy-one million, three hundred eighteen thousand, three".