215533164152 has 8 divisors (see below), whose sum is σ = 404124682800. Its totient is φ = 107766582072.

The previous prime is 215533164149. The next prime is 215533164169. The reversal of 215533164152 is 251461335512.

215533164152 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 13470822752 + ... + 13470822767.

It is an arithmetic number, because the mean of its divisors is an integer number (50515585350).

Almost surely, 2^215533164152 is an apocalyptic number.

It is an amenable number.

215533164152 is a deficient number, since it is larger than the sum of its proper divisors (188591518648).

215533164152 is a wasteful number, since it uses less digits than its factorization.

215533164152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26941645525 (or 26941645521 counting only the distinct ones).

The product of its digits is 108000, while the sum is 38.

Adding to 215533164152 its reverse (251461335512), we get a palindrome (466994499664).

The spelling of 215533164152 in words is "two hundred fifteen billion, five hundred thirty-three million, one hundred sixty-four thousand, one hundred fifty-two".