2666273258 has 16 divisors (see below), whose sum is σ = 4394386080. Its totient is φ = 1203222000.

The previous prime is 2666273209. The next prime is 2666273263. The reversal of 2666273258 is 8523726662.

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, 432893 + ... + 439008.

It is an arithmetic number, because the mean of its divisors is an integer number (274649130).

Almost surely, 2^2666273258 is an apocalyptic number.

2666273258 is a deficient number, since it is larger than the sum of its proper divisors (1728112822).

2666273258 is a wasteful number, since it uses less digits than its factorization.

2666273258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872053.

The product of its digits is 1451520, while the sum is 47.

The square root of 2666273258 is about 51635.9686458964. The cubic root of 2666273258 is about 1386.6543517639.

The spelling of 2666273258 in words is "two billion, six hundred sixty-six million, two hundred seventy-three thousand, two hundred fifty-eight".