66336231002 has 4 divisors (see below), whose sum is σ = 99504346506. Its totient is φ = 33168115500.

The previous prime is 66336230999. The next prime is 66336231043. The reversal of 66336231002 is 20013263366.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 50535489601 + 15800741401 = 224801^2 + 125701^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 66336231002.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16584057749 + ... + 16584057752.

Almost surely, 2^66336231002 is an apocalyptic number.

66336231002 is a deficient number, since it is larger than the sum of its proper divisors (33168115504).

66336231002 is a wasteful number, since it uses less digits than its factorization.

66336231002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33168115503.

The product of its (nonzero) digits is 23328, while the sum is 32.

Adding to 66336231002 its reverse (20013263366), we get a palindrome (86349494368).

The spelling of 66336231002 in words is "sixty-six billion, three hundred thirty-six million, two hundred thirty-one thousand, two".