66234232216 has 16 divisors (see below), whose sum is σ = 128195288640. Its totient is φ = 32048821920.

The previous prime is 66234232187. The next prime is 66234232241. The reversal of 66234232216 is 61223243266.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133536511 + ... + 133537006.

It is an arithmetic number, because the mean of its divisors is an integer number (8012205540).

Almost surely, 2^66234232216 is an apocalyptic number.

It is an amenable number.

66234232216 is a deficient number, since it is larger than the sum of its proper divisors (61961056424).

66234232216 is a wasteful number, since it uses less digits than its factorization.

66234232216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267073554 (or 267073550 counting only the distinct ones).

The product of its digits is 124416, while the sum is 37.

The spelling of 66234232216 in words is "sixty-six billion, two hundred thirty-four million, two hundred thirty-two thousand, two hundred sixteen".