2235736666 has 8 divisors (see below), whose sum is σ = 3499413984. Its totient is φ = 1069265340.

The previous prime is 2235736663. The next prime is 2235736667. The reversal of 2235736666 is 6666375322.

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

It is a Harshad number since it is a multiple of its sum of digits (46), and also a Moran number because the ratio is a prime number: 48602971 = 2235736666 / (2 + 2 + 3 + 5 + 7 + 3 + 6 + 6 + 6 + 6).

It is not an unprimeable number, because it can be changed into a prime (2235736661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24301440 + ... + 24301531.

It is an arithmetic number, because the mean of its divisors is an integer number (437426748).

Almost surely, 2^2235736666 is an apocalyptic number.

2235736666 is a deficient number, since it is larger than the sum of its proper divisors (1263677318).

2235736666 is a wasteful number, since it uses less digits than its factorization.

2235736666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48602996.

The product of its digits is 1632960, while the sum is 46.

The square root of 2235736666 is about 47283.5771277935. The cubic root of 2235736666 is about 1307.5958987750.

The spelling of 2235736666 in words is "two billion, two hundred thirty-five million, seven hundred thirty-six thousand, six hundred sixty-six".