2235676666 has 4 divisors (see below), whose sum is σ = 3353515002. Its totient is φ = 1117838332.

The previous prime is 2235676649. The next prime is 2235676673. The reversal of 2235676666 is 6666765322.

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., 1286728641 + 948948025 = 35871^2 + 30805^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 558919165 + ... + 558919168.

Almost surely, 2^2235676666 is an apocalyptic number.

2235676666 is a deficient number, since it is larger than the sum of its proper divisors (1117838336).

2235676666 is a wasteful number, since it uses less digits than its factorization.

2235676666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1117838335.

The product of its digits is 3265920, while the sum is 49.

The square root of 2235676666 is about 47282.9426537731. The cubic root of 2235676666 is about 1307.5842014440.

The spelling of 2235676666 in words is "two billion, two hundred thirty-five million, six hundred seventy-six thousand, six hundred sixty-six".