2166570711005 has 8 divisors (see below), whose sum is σ = 2599897113600. Its totient is φ = 1733248395216.

The previous prime is 2166570711001. The next prime is 2166570711007. The reversal of 2166570711005 is 5001170756612.

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 2166570711005 - 2² = 2166570711001 is a prime.

It is a super-2 number, since 2×2166570711005² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2166570711001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300056 + ... + 2103134.

It is an arithmetic number, because the mean of its divisors is an integer number (324987139200).

Almost surely, 2^{2166570711005} is an apocalyptic number.

It is an amenable number.

2166570711005 is a deficient number, since it is larger than the sum of its proper divisors (433326402595).

2166570711005 is a wasteful number, since it uses less digits than its factorization.

2166570711005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2043403.

The product of its (nonzero) digits is 88200, while the sum is 41.

The spelling of 2166570711005 in words is "two trillion, one hundred sixty-six billion, five hundred seventy million, seven hundred eleven thousand, five".