2666682274 has 4 divisors (see below), whose sum is σ = 4000023414. Its totient is φ = 1333341136.

The previous prime is 2666682253. The next prime is 2666682301. The reversal of 2666682274 is 4722866662.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2069613049 + 597069225 = 45493^2 + 24435^2 .

It is a super-2 number, since 2×2666682274² = 14222388700931622152, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 666670567 + ... + 666670570.

Almost surely, 2^2666682274 is an apocalyptic number.

2666682274 is a deficient number, since it is larger than the sum of its proper divisors (1333341140).

2666682274 is a wasteful number, since it uses less digits than its factorization.

2666682274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333341139.

The product of its digits is 2322432, while the sum is 49.

The square root of 2666682274 is about 51639.9290665663. The cubic root of 2666682274 is about 1386.7252540761.

It can be divided in two parts, 26666822 and 74, that added together give a square (26666896 = 5164²).

The spelling of 2666682274 in words is "two billion, six hundred sixty-six million, six hundred eighty-two thousand, two hundred seventy-four".