1144664206 has 12 divisors (see below), whose sum is σ = 1997322408. Its totient is φ = 490570332.

The previous prime is 1144664203. The next prime is 1144664219. The reversal of 1144664206 is 6024664411.

It is a super-2 number, since 2×1144664206² = 2620512288995220872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144664203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5840026 + ... + 5840221.

It is an arithmetic number, because the mean of its divisors is an integer number (166443534).

Almost surely, 2^1144664206 is an apocalyptic number.

1144664206 is a deficient number, since it is larger than the sum of its proper divisors (852658202).

1144664206 is a wasteful number, since it uses less digits than its factorization.

1144664206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11680263 (or 11680256 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 1144664206 is about 33832.8864568189. The cubic root of 1144664206 is about 1046.0666766744.

The spelling of 1144664206 in words is "one billion, one hundred forty-four million, six hundred sixty-four thousand, two hundred six".