213036663066 has 8 divisors (see below), whose sum is σ = 426073326144. Its totient is φ = 71012221020.

The previous prime is 213036663023. The next prime is 213036663079. The reversal of 213036663066 is 660366630312.

It is a sphenic number, since it is the product of 3 distinct primes.

213036663066 is an admirable 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, 17753055250 + ... + 17753055261.

It is an arithmetic number, because the mean of its divisors is an integer number (53259165768).

Almost surely, 2^213036663066 is an apocalyptic number.

213036663066 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

213036663066 is a wasteful number, since it uses less digits than its factorization.

213036663066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35506110516.

The product of its (nonzero) digits is 419904, while the sum is 42.

The spelling of 213036663066 in words is "two hundred thirteen billion, thirty-six million, six hundred sixty-three thousand, sixty-six".