2666770371 has 20 divisors (see below), whose sum is σ = 4121066400. Its totient is φ = 1716540336.

The previous prime is 2666770321. The next prime is 2666770391. The reversal of 2666770371 is 1730776662.

It is not a de Polignac number, because 2666770371 - 2⁷ = 2666770243 is a prime.

It is a super-2 number, since 2×2666770371² = 14223328423286955282, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2666770321) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 565291 + ... + 569988.

It is an arithmetic number, because the mean of its divisors is an integer number (206053320).

Almost surely, 2^2666770371 is an apocalyptic number.

2666770371 is a deficient number, since it is larger than the sum of its proper divisors (1454296029).

2666770371 is a wasteful number, since it uses less digits than its factorization.

2666770371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1135320 (or 1135311 counting only the distinct ones).

The product of its (nonzero) digits is 444528, while the sum is 45.

The square root of 2666770371 is about 51640.7820525600. The cubic root of 2666770371 is about 1386.7405246104.

The spelling of 2666770371 in words is "two billion, six hundred sixty-six million, seven hundred seventy thousand, three hundred seventy-one".