21160166336 has 28 divisors (see below), whose sum is σ = 43815347472. Its totient is φ = 10120078848.

The previous prime is 21160166263. The next prime is 21160166371. The reversal of 21160166336 is 63366106112.

It is a junction number, because it is equal to n+sod(n) for n = 21160166296 and 21160166305.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7186085 + ... + 7189028.

Almost surely, 2^21160166336 is an apocalyptic number.

It is an amenable number.

21160166336 is an abundant number, since it is smaller than the sum of its proper divisors (22655181136).

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

21160166336 is a wasteful number, since it uses less digits than its factorization.

21160166336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14375148 (or 14375138 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 35.

The spelling of 21160166336 in words is "twenty-one billion, one hundred sixty million, one hundred sixty-six thousand, three hundred thirty-six".