216909083334 has 16 divisors (see below), whose sum is σ = 433958916672. Its totient is φ = 72279569448.

The previous prime is 216909083329. The next prime is 216909083401. The reversal of 216909083334 is 433380909612.

It is a happy number.

It is a congruent 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, 5844544 + ... + 5881539.

It is an arithmetic number, because the mean of its divisors is an integer number (27122432292).

Almost surely, 2^216909083334 is an apocalyptic number.

216909083334 is an abundant number, since it is smaller than the sum of its proper divisors (217049833338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

216909083334 is a wasteful number, since it uses less digits than its factorization.

216909083334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11729171.

The product of its (nonzero) digits is 839808, while the sum is 48.

The spelling of 216909083334 in words is "two hundred sixteen billion, nine hundred nine million, eighty-three thousand, three hundred thirty-four".