16645252833201 has 32 divisors (see below), whose sum is σ = 22595443200000. Its totient is φ = 10898170671168.

The previous prime is 16645252833199. The next prime is 16645252833259. The reversal of 16645252833201 is 10233825254661.

It is not a de Polignac number, because 16645252833201 - 2¹ = 16645252833199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16645252833401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16627900 + ... + 17600498.

It is an arithmetic number, because the mean of its divisors is an integer number (706107600000).

Almost surely, 2^{16645252833201} is an apocalyptic number.

It is an amenable number.

16645252833201 is a deficient number, since it is larger than the sum of its proper divisors (5950190366799).

16645252833201 is a wasteful number, since it uses less digits than its factorization.

16645252833201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973173.

The product of its (nonzero) digits is 2073600, while the sum is 48.

The spelling of 16645252833201 in words is "sixteen trillion, six hundred forty-five billion, two hundred fifty-two million, eight hundred thirty-three thousand, two hundred one".