2666001166 has 16 divisors (see below), whose sum is σ = 4237377840. Its totient is φ = 1253658240.

The previous prime is 2666001127. The next prime is 2666001167. The reversal of 2666001166 is 6611006662.

It is a super-2 number, since 2×2666001166² = 14215124434226719112, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2666001167) 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, 18565 + ... + 75343.

It is an arithmetic number, because the mean of its divisors is an integer number (264836115).

Almost surely, 2^2666001166 is an apocalyptic number.

2666001166 is a deficient number, since it is larger than the sum of its proper divisors (1571376674).

2666001166 is a wasteful number, since it uses less digits than its factorization.

2666001166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58179.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 2666001166 is about 51633.3338648590. Note that the first 3 decimals coincide. The cubic root of 2666001166 is about 1386.6071810060.

The spelling of 2666001166 in words is "two billion, six hundred sixty-six million, one thousand, one hundred sixty-six".