215533164151 has 16 divisors (see below), whose sum is σ = 227427750144. Its totient is φ = 203852715264.

The previous prime is 215533164149. The next prime is 215533164169. The reversal of 215533164151 is 151461335512.

It is a cyclic number.

It is not a de Polignac number, because 215533164151 - 2¹ = 215533164149 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 215533164151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215533164551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2462400 + ... + 2548426.

It is an arithmetic number, because the mean of its divisors is an integer number (14214234384).

Almost surely, 2^215533164151 is an apocalyptic number.

215533164151 is a deficient number, since it is larger than the sum of its proper divisors (11894585993).

215533164151 is a wasteful number, since it uses less digits than its factorization.

215533164151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87270.

The product of its digits is 54000, while the sum is 37.

Adding to 215533164151 its reverse (151461335512), we get a palindrome (366994499663).

The spelling of 215533164151 in words is "two hundred fifteen billion, five hundred thirty-three million, one hundred sixty-four thousand, one hundred fifty-one".