2271670066 has 8 divisors (see below), whose sum is σ = 3407860764. Its totient is φ = 1135716480.

The previous prime is 2271670061. The next prime is 2271670069. The reversal of 2271670066 is 6600761722.

It can be written as a sum of positive squares in 2 ways, for example, as 1954082025 + 317588041 = 44205^2 + 17821^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2271670061) 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, 32995 + ... + 75046.

Almost surely, 2^2271670066 is an apocalyptic number.

2271670066 is a deficient number, since it is larger than the sum of its proper divisors (1136190698).

2271670066 is a wasteful number, since it uses less digits than its factorization.

2271670066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118556.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 2271670066 is about 47662.0400948176. The cubic root of 2271670066 is about 1314.5640515899.

The spelling of 2271670066 in words is "two billion, two hundred seventy-one million, six hundred seventy thousand, sixty-six".