66303072229 has 4 divisors (see below), whose sum is σ = 66305419840. Its totient is φ = 66300724620.

The previous prime is 66303072221. The next prime is 66303072281. The reversal of 66303072229 is 92227030366.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 66303072229 - 2³ = 66303072221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66303072191 and 66303072200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66303072221) 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, 1130919 + ... + 1188100.

It is an arithmetic number, because the mean of its divisors is an integer number (16576354960).

Almost surely, 2^66303072229 is an apocalyptic number.

It is an amenable number.

66303072229 is a deficient number, since it is larger than the sum of its proper divisors (2347611).

66303072229 is a wasteful number, since it uses less digits than its factorization.

66303072229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2347610.

The product of its (nonzero) digits is 163296, while the sum is 40.

The spelling of 66303072229 in words is "sixty-six billion, three hundred three million, seventy-two thousand, two hundred twenty-nine".