213886618070 has 16 divisors (see below), whose sum is σ = 385485121008. Its totient is φ = 85445934240.

The previous prime is 213886618063. The next prime is 213886618081. The reversal of 213886618070 is 70816688312.

213886618070 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13580861 + ... + 13596600.

It is an arithmetic number, because the mean of its divisors is an integer number (24092820063).

Almost surely, 2^213886618070 is an apocalyptic number.

213886618070 is a deficient number, since it is larger than the sum of its proper divisors (171598502938).

213886618070 is a wasteful number, since it uses less digits than its factorization.

213886618070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27178255.

The product of its (nonzero) digits is 774144, while the sum is 50.

The spelling of 213886618070 in words is "two hundred thirteen billion, eight hundred eighty-six million, six hundred eighteen thousand, seventy".