216511236406034 has 16 divisors (see below), whose sum is σ = 325893890609280. Its totient is φ = 107879981751600.

The previous prime is 216511236406033. The next prime is 216511236406079. The reversal of 216511236406034 is 430604632115612.

It is not an unprimeable number, because it can be changed into a prime (216511236406033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 278792 + ... + 20811059.

It is an arithmetic number, because the mean of its divisors is an integer number (20368368163080).

Almost surely, 2^{216511236406034} is an apocalyptic number.

216511236406034 is a deficient number, since it is larger than the sum of its proper divisors (109382654203246).

216511236406034 is a wasteful number, since it uses less digits than its factorization.

216511236406034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21107665.

The product of its (nonzero) digits is 622080, while the sum is 44.

The spelling of 216511236406034 in words is "two hundred sixteen trillion, five hundred eleven billion, two hundred thirty-six million, four hundred six thousand, thirty-four".