66773888296 has 16 divisors (see below), whose sum is σ = 126186877440. Its totient is φ = 33124054320.

The previous prime is 66773888273. The next prime is 66773888303. The reversal of 66773888296 is 69288837766.

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, 32860150 + ... + 32862181.

It is an arithmetic number, because the mean of its divisors is an integer number (7886679840).

Almost surely, 2^66773888296 is an apocalyptic number.

It is an amenable number.

66773888296 is a deficient number, since it is larger than the sum of its proper divisors (59412989144).

66773888296 is a wasteful number, since it uses less digits than its factorization.

66773888296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65722464 (or 65722460 counting only the distinct ones).

The product of its digits is 292626432, while the sum is 70.

The spelling of 66773888296 in words is "sixty-six billion, seven hundred seventy-three million, eight hundred eighty-eight thousand, two hundred ninety-six".