2116461266 has 4 divisors (see below), whose sum is σ = 3174691902. Its totient is φ = 1058230632.

The previous prime is 2116461253. The next prime is 2116461299. The reversal of 2116461266 is 6621646112.

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., 1855800241 + 260661025 = 43079^2 + 16145^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 529115315 + ... + 529115318.

Almost surely, 2^2116461266 is an apocalyptic number.

2116461266 is a deficient number, since it is larger than the sum of its proper divisors (1058230636).

2116461266 is a wasteful number, since it uses less digits than its factorization.

2116461266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1058230635.

The product of its digits is 20736, while the sum is 35.

The square root of 2116461266 is about 46005.0134876624. The cubic root of 2116461266 is about 1283.9164845251.

The spelling of 2116461266 in words is "two billion, one hundred sixteen million, four hundred sixty-one thousand, two hundred sixty-six".