66726733332 has 36 divisors (see below), whose sum is σ = 181115420640. Its totient is φ = 19064780784.

The previous prime is 66726733319. The next prime is 66726733343. The reversal of 66726733332 is 23333762766.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56739832 + ... + 56741007.

Almost surely, 2^66726733332 is an apocalyptic number.

It is an amenable number.

66726733332 is an abundant number, since it is smaller than the sum of its proper divisors (114388687308).

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

66726733332 is a wasteful number, since it uses less digits than its factorization.

66726733332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113480860 (or 113480851 counting only the distinct ones).

The product of its digits is 3429216, while the sum is 48.

The spelling of 66726733332 in words is "sixty-six billion, seven hundred twenty-six million, seven hundred thirty-three thousand, three hundred thirty-two".