21616231105514 has 16 divisors (see below), whose sum is σ = 32566259314368. Its totient is φ = 10760819176032.

The previous prime is 21616231105499. The next prime is 21616231105517. The reversal of 21616231105514 is 41550113261612.

It is a super-2 number, since 2×21616231105514² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21616231105517) 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, 3575579 + ... + 7484465.

It is an arithmetic number, because the mean of its divisors is an integer number (2035391207148).

Almost surely, 2^{21616231105514} is an apocalyptic number.

21616231105514 is a deficient number, since it is larger than the sum of its proper divisors (10950028208854).

21616231105514 is a wasteful number, since it uses less digits than its factorization.

21616231105514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3920989.

The product of its (nonzero) digits is 43200, while the sum is 38.

The spelling of 21616231105514 in words is "twenty-one trillion, six hundred sixteen billion, two hundred thirty-one million, one hundred five thousand, five hundred fourteen".