6665414550033 has 16 divisors (see below), whose sum is σ = 9362680143680. Its totient is φ = 4206264945984.

The previous prime is 6665414550029. The next prime is 6665414550043. The reversal of 6665414550033 is 3300554145666.

It is not a de Polignac number, because 6665414550033 - 2² = 6665414550029 is a prime.

It is a super-2 number, since 2×6665414550033² (a number of 26 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6665414550023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48132466 + ... + 48270747.

It is an arithmetic number, because the mean of its divisors is an integer number (585167508980).

Almost surely, 2^{6665414550033} is an apocalyptic number.

It is an amenable number.

6665414550033 is a deficient number, since it is larger than the sum of its proper divisors (2697265593647).

6665414550033 is a wasteful number, since it uses less digits than its factorization.

6665414550033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96404448.

The product of its (nonzero) digits is 3888000, while the sum is 48.

Adding to 6665414550033 its reverse (3300554145666), we get a palindrome (9965968695699).

The spelling of 6665414550033 in words is "six trillion, six hundred sixty-five billion, four hundred fourteen million, five hundred fifty thousand, thirty-three".