66201200236 has 24 divisors (see below), whose sum is σ = 119019533696. Its totient is φ = 32196165120.

The previous prime is 66201200227. The next prime is 66201200239. The reversal of 66201200236 is 63200210266.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (66201200239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 430885 + ... + 563971.

Almost surely, 2^66201200236 is an apocalyptic number.

It is an amenable number.

66201200236 is a deficient number, since it is larger than the sum of its proper divisors (52818333460).

66201200236 is a wasteful number, since it uses less digits than its factorization.

66201200236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136489 (or 136487 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The spelling of 66201200236 in words is "sixty-six billion, two hundred one million, two hundred thousand, two hundred thirty-six".