21163336465133 has 8 divisors (see below), whose sum is σ = 21181349414400. Its totient is φ = 21145324807728.

The previous prime is 21163336465121. The next prime is 21163336465163. The reversal of 21163336465133 is 33156463336112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21163336465133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21163336465163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34004060 + ... + 34620842.

It is an arithmetic number, because the mean of its divisors is an integer number (2647668676800).

Almost surely, 2^{21163336465133} is an apocalyptic number.

It is an amenable number.

21163336465133 is a deficient number, since it is larger than the sum of its proper divisors (18012949267).

21163336465133 is a wasteful number, since it uses less digits than its factorization.

21163336465133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645931.

The product of its digits is 2099520, while the sum is 47.

The spelling of 21163336465133 in words is "twenty-one trillion, one hundred sixty-three billion, three hundred thirty-six million, four hundred sixty-five thousand, one hundred thirty-three".