216674272746634 has 16 divisors (see below), whose sum is σ = 332939617516800. Its totient is φ = 105694417715040.

The previous prime is 216674272746599. The next prime is 216674272746667. The reversal of 216674272746634 is 436647272476612.

It is a self number, because there is not a number n which added to its sum of digits gives 216674272746634.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21511687 + ... + 29934949.

It is an arithmetic number, because the mean of its divisors is an integer number (20808726094800).

Almost surely, 2^{216674272746634} is an apocalyptic number.

216674272746634 is a deficient number, since it is larger than the sum of its proper divisors (116265344770166).

216674272746634 is a wasteful number, since it uses less digits than its factorization.

216674272746634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8737005.

The product of its digits is 682795008, while the sum is 67.

The spelling of 216674272746634 in words is "two hundred sixteen trillion, six hundred seventy-four billion, two hundred seventy-two million, seven hundred forty-six thousand, six hundred thirty-four".