21616036340214 has 24 divisors (see below), whose sum is σ = 43564607914680. Its totient is φ = 7150342775680.

The previous prime is 21616036340201. The next prime is 21616036340251. The reversal of 21616036340214 is 41204363061612.

It is a super-2 number, since 2×21616036340214² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104863899 + ... + 105069830.

It is an arithmetic number, because the mean of its divisors is an integer number (1815191996445).

Almost surely, 2^{21616036340214} is an apocalyptic number.

21616036340214 is an abundant number, since it is smaller than the sum of its proper divisors (21948571574466).

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

21616036340214 is a wasteful number, since it uses less digits than its factorization.

21616036340214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209933996 (or 209933865 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 39.

The spelling of 21616036340214 in words is "twenty-one trillion, six hundred sixteen billion, thirty-six million, three hundred forty thousand, two hundred fourteen".