2661983227 has 8 divisors (see below), whose sum is σ = 2719890432. Its totient is φ = 2604129000.

The previous prime is 2661983213. The next prime is 2661983251. The reversal of 2661983227 is 7223891662.

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

It is not a de Polignac number, because 2661983227 - 2⁷ = 2661983099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2661983287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98452 + ... + 122542.

It is an arithmetic number, because the mean of its divisors is an integer number (339986304).

Almost surely, 2^2661983227 is an apocalyptic number.

2661983227 is a deficient number, since it is larger than the sum of its proper divisors (57907205).

2661983227 is a wasteful number, since it uses less digits than its factorization.

2661983227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26489.

The product of its digits is 435456, while the sum is 46.

The square root of 2661983227 is about 51594.4108116373. The cubic root of 2661983227 is about 1385.9102440441.

The spelling of 2661983227 in words is "two billion, six hundred sixty-one million, nine hundred eighty-three thousand, two hundred twenty-seven".