66036233236 has 12 divisors (see below), whose sum is σ = 122361255828. Its totient is φ = 31075874432.

The previous prime is 66036233213. The next prime is 66036233251. The reversal of 66036233236 is 63233263066.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 21405445636 + 44630787600 = 146306^2 + 211260^2 .

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, 485560471 + ... + 485560606.

It is an arithmetic number, because the mean of its divisors is an integer number (10196771319).

Almost surely, 2^66036233236 is an apocalyptic number.

It is an amenable number.

66036233236 is a deficient number, since it is larger than the sum of its proper divisors (56325022592).

66036233236 is a wasteful number, since it uses less digits than its factorization.

66036233236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971121098 (or 971121096 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 40.

The spelling of 66036233236 in words is "sixty-six billion, thirty-six million, two hundred thirty-three thousand, two hundred thirty-six".