21160134215306 has 16 divisors (see below), whose sum is σ = 32479210129344. Its totient is φ = 10333743938784.

The previous prime is 21160134215293. The next prime is 21160134215393. The reversal of 21160134215306 is 60351243106112.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6731 + ... + 6505406.

It is an arithmetic number, because the mean of its divisors is an integer number (2029950633084).

Almost surely, 2^{21160134215306} is an apocalyptic number.

21160134215306 is a deficient number, since it is larger than the sum of its proper divisors (11319075914038).

21160134215306 is a wasteful number, since it uses less digits than its factorization.

21160134215306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6549965.

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 21160134215306 in words is "twenty-one trillion, one hundred sixty billion, one hundred thirty-four million, two hundred fifteen thousand, three hundred six".