213066636006 has 48 divisors (see below), whose sum is σ = 521795856960. Its totient is φ = 57672170640.

The previous prime is 213066636001. The next prime is 213066636011. The reversal of 213066636006 is 600636660312.

It is a happy number.

213066636006 is digitally balanced in base 3 and base 7, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (213066636001) and next prime (213066636011).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213066636001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19065900 + ... + 19077071.

It is an arithmetic number, because the mean of its divisors is an integer number (10870747020).

Almost surely, 2^213066636006 is an apocalyptic number.

213066636006 is an abundant number, since it is smaller than the sum of its proper divisors (308729220954).

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

213066636006 is a wasteful number, since it uses less digits than its factorization.

213066636006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38143009 (or 38143002 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 39.

The spelling of 213066636006 in words is "two hundred thirteen billion, sixty-six million, six hundred thirty-six thousand, six".