66004626203 has 12 divisors (see below), whose sum is σ = 67504703280. Its totient is φ = 64537204752.

The previous prime is 66004626179. The next prime is 66004626217. The reversal of 66004626203 is 30262640066.

It is not a de Polignac number, because 66004626203 - 2¹² = 66004622107 is a prime.

It is a super-2 number, since 2×66004626203² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66004626503) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2334113 + ... + 2362221.

It is an arithmetic number, because the mean of its divisors is an integer number (5625391940).

Almost surely, 2^66004626203 is an apocalyptic number.

66004626203 is a deficient number, since it is larger than the sum of its proper divisors (1500077077).

66004626203 is a wasteful number, since it uses less digits than its factorization.

66004626203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29266 (or 29219 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 35.

The spelling of 66004626203 in words is "sixty-six billion, four million, six hundred twenty-six thousand, two hundred three".