21160336336 has 20 divisors (see below), whose sum is σ = 41002509600. Its totient is φ = 10579043552.

The previous prime is 21160336331. The next prime is 21160336343. The reversal of 21160336336 is 63363306112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21160336331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97005 + ... + 227443.

It is an arithmetic number, because the mean of its divisors is an integer number (2050125480).

Almost surely, 2^21160336336 is an apocalyptic number.

It is an amenable number.

21160336336 is a deficient number, since it is larger than the sum of its proper divisors (19842173264).

21160336336 is a wasteful number, since it uses less digits than its factorization.

21160336336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140586 (or 140580 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 34.

The spelling of 21160336336 in words is "twenty-one billion, one hundred sixty million, three hundred thirty-six thousand, three hundred thirty-six".