215802882316834 has 16 divisors (see below), whose sum is σ = 327418310613600. Its totient is φ = 106664014778464.

The previous prime is 215802882316817. The next prime is 215802882316909. The reversal of 215802882316834 is 438613288208512.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141572932 + ... + 143089135.

It is an arithmetic number, because the mean of its divisors is an integer number (20463644413350).

Almost surely, 2^{215802882316834} is an apocalyptic number.

215802882316834 is a deficient number, since it is larger than the sum of its proper divisors (111615428296766).

215802882316834 is a wasteful number, since it uses less digits than its factorization.

215802882316834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284666417.

The product of its (nonzero) digits is 35389440, while the sum is 61.

The spelling of 215802882316834 in words is "two hundred fifteen trillion, eight hundred two billion, eight hundred eighty-two million, three hundred sixteen thousand, eight hundred thirty-four".