2166065553301 has 8 divisors (see below), whose sum is σ = 2434107110400. Its totient is φ = 1912512729072.

The previous prime is 2166065553293. The next prime is 2166065553313. The reversal of 2166065553301 is 1033555606612.

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

It is a cyclic number.

It is not a de Polignac number, because 2166065553301 - 2³ = 2166065553293 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 (2166065553371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3622182901 + ... + 3622183498.

It is an arithmetic number, because the mean of its divisors is an integer number (304263388800).

Almost surely, 2^{2166065553301} is an apocalyptic number.

It is an amenable number.

2166065553301 is a deficient number, since it is larger than the sum of its proper divisors (268041557099).

2166065553301 is a wasteful number, since it uses less digits than its factorization.

2166065553301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7244366435.

The product of its (nonzero) digits is 486000, while the sum is 43.

The spelling of 2166065553301 in words is "two trillion, one hundred sixty-six billion, sixty-five million, five hundred fifty-three thousand, three hundred one".