21616060042235 has 8 divisors (see below), whose sum is σ = 25951845631680. Its totient is φ = 17284465646464.

The previous prime is 21616060042231. The next prime is 21616060042319. The reversal of 21616060042235 is 53224006061612.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21616060042235 - 2² = 21616060042231 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21616060042231) 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, 1047787070 + ... + 1047807699.

It is an arithmetic number, because the mean of its divisors is an integer number (3243980703960).

Almost surely, 2^{21616060042235} is an apocalyptic number.

21616060042235 is a deficient number, since it is larger than the sum of its proper divisors (4335785589445).

21616060042235 is a wasteful number, since it uses less digits than its factorization.

21616060042235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2095596837.

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 21616060042235 in words is "twenty-one trillion, six hundred sixteen billion, sixty million, forty-two thousand, two hundred thirty-five".