66203304060 has 48 divisors (see below), whose sum is σ = 185380876800. Its totient is φ = 17653107264.

The previous prime is 66203304049. The next prime is 66203304077. The reversal of 66203304060 is 6040330266.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1473001 + ... + 1517279.

It is an arithmetic number, because the mean of its divisors is an integer number (3862101600).

Almost surely, 2^66203304060 is an apocalyptic number.

66203304060 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

66203304060 is an abundant number, since it is smaller than the sum of its proper divisors (119177572740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66203304060 is a wasteful number, since it uses less digits than its factorization.

66203304060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69210 (or 69208 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 30.

The spelling of 66203304060 in words is "sixty-six billion, two hundred three million, three hundred four thousand, sixty".