215134333066 has 8 divisors (see below), whose sum is σ = 323156651940. Its totient is φ = 107415449088.

The previous prime is 215134333009. The next prime is 215134333081. The reversal of 215134333066 is 660333431512.

215134333066 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 205499929041 + 9634404025 = 453321^2 + 98155^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75856951 + ... + 75859786.

Almost surely, 2^215134333066 is an apocalyptic number.

215134333066 is a deficient number, since it is larger than the sum of its proper divisors (108022318874).

215134333066 is a wasteful number, since it uses less digits than its factorization.

215134333066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151717448.

The product of its (nonzero) digits is 116640, while the sum is 37.

Adding to 215134333066 its reverse (660333431512), we get a palindrome (875467764578).

The spelling of 215134333066 in words is "two hundred fifteen billion, one hundred thirty-four million, three hundred thirty-three thousand, sixty-six".