66736030256 has 20 divisors (see below), whose sum is σ = 147772638672. Its totient is φ = 28601155776.

The previous prime is 66736030243. The next prime is 66736030261. The reversal of 66736030256 is 65203063766.

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, 297928595 + ... + 297928818.

Almost surely, 2^66736030256 is an apocalyptic number.

It is an amenable number.

66736030256 is an abundant number, since it is smaller than the sum of its proper divisors (81036608416).

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

66736030256 is a wasteful number, since it uses less digits than its factorization.

66736030256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595857428 (or 595857422 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 44.

The spelling of 66736030256 in words is "sixty-six billion, seven hundred thirty-six million, thirty thousand, two hundred fifty-six".