21610560106 has 16 divisors (see below), whose sum is σ = 34806075840. Its totient is φ = 10026439360.

The previous prime is 21610560079. The next prime is 21610560107. The reversal of 21610560106 is 60106501612.

21610560106 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (21610560107) 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, 4473676 + ... + 4478503.

It is an arithmetic number, because the mean of its divisors is an integer number (2175379740).

Almost surely, 2^21610560106 is an apocalyptic number.

21610560106 is a deficient number, since it is larger than the sum of its proper divisors (13195515734).

21610560106 is a wasteful number, since it uses less digits than its factorization.

21610560106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8952269.

The product of its (nonzero) digits is 2160, while the sum is 28.

The spelling of 21610560106 in words is "twenty-one billion, six hundred ten million, five hundred sixty thousand, one hundred six".