2666331145 has 8 divisors (see below), whose sum is σ = 3199883904. Its totient is φ = 2132873904.

The previous prime is 2666331131. The next prime is 2666331169. The reversal of 2666331145 is 5411336662.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2666331145 is a prime.

It is a super-2 number, since 2×2666331145² = 14218643549594022050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74062 + ... + 104008.

It is an arithmetic number, because the mean of its divisors is an integer number (399985488).

Almost surely, 2^2666331145 is an apocalyptic number.

It is an amenable number.

2666331145 is a deficient number, since it is larger than the sum of its proper divisors (533552759).

2666331145 is a wasteful number, since it uses less digits than its factorization.

2666331145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47759.

The product of its digits is 77760, while the sum is 37.

The square root of 2666331145 is about 51636.5291726700. The cubic root of 2666331145 is about 1386.6643868293.

The spelling of 2666331145 in words is "two billion, six hundred sixty-six million, three hundred thirty-one thousand, one hundred forty-five".