66602831021203 has 8 divisors (see below), whose sum is σ = 66609230329280. Its totient is φ = 66596432008680.

The previous prime is 66602831021201. The next prime is 66602831021227. The reversal of 66602831021203 is 30212013820666.

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 66602831021203 - 2¹ = 66602831021201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66602831021201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 959950768 + ... + 960020146.

It is an arithmetic number, because the mean of its divisors is an integer number (8326153791160).

Almost surely, 2^{66602831021203} is an apocalyptic number.

66602831021203 is a deficient number, since it is larger than the sum of its proper divisors (6399308077).

66602831021203 is a wasteful number, since it uses less digits than its factorization.

66602831021203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147777.

The product of its (nonzero) digits is 124416, while the sum is 40.

Adding to 66602831021203 its reverse (30212013820666), we get a palindrome (96814844841869).

The spelling of 66602831021203 in words is "sixty-six trillion, six hundred two billion, eight hundred thirty-one million, twenty-one thousand, two hundred three".