213252064416664 has 64 divisors (see below), whose sum is σ = 502590790195200. Its totient is φ = 82568486934144.

The previous prime is 213252064416583. The next prime is 213252064416673. The reversal of 213252064416664 is 466614460252312.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3116228124 + ... + 3116296555.

It is an arithmetic number, because the mean of its divisors is an integer number (7852981096800).

Almost surely, 2^{213252064416664} is an apocalyptic number.

It is an amenable number.

213252064416664 is an abundant number, since it is smaller than the sum of its proper divisors (289338725778536).

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

213252064416664 is a wasteful number, since it uses less digits than its factorization.

213252064416664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6232524752 (or 6232524748 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 52.

The spelling of 213252064416664 in words is "two hundred thirteen trillion, two hundred fifty-two billion, sixty-four million, four hundred sixteen thousand, six hundred sixty-four".