1143660683 has 16 divisors (see below), whose sum is σ = 1289427552. Its totient is φ = 1005312000.

The previous prime is 1143660677. The next prime is 1143660701. The reversal of 1143660683 is 3860663411.

It is a happy number.

It is not a de Polignac number, because 1143660683 - 2²² = 1139466379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1143660083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39743 + ... + 62183.

It is an arithmetic number, because the mean of its divisors is an integer number (80589222).

Almost surely, 2^1143660683 is an apocalyptic number.

1143660683 is a deficient number, since it is larger than the sum of its proper divisors (145766869).

1143660683 is a wasteful number, since it uses less digits than its factorization.

1143660683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22606.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 1143660683 is about 33818.0526198656. The cubic root of 1143660683 is about 1045.7608929972.

The spelling of 1143660683 in words is "one billion, one hundred forty-three million, six hundred sixty thousand, six hundred eighty-three".