1143608566 has 8 divisors (see below), whose sum is σ = 1720825200. Its totient is φ = 570000168.

The previous prime is 1143608561. The next prime is 1143608603. The reversal of 1143608566 is 6658063411.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143608561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 901266 + ... + 902533.

It is an arithmetic number, because the mean of its divisors is an integer number (215103150).

Almost surely, 2^1143608566 is an apocalyptic number.

1143608566 is a deficient number, since it is larger than the sum of its proper divisors (577216634).

1143608566 is a wasteful number, since it uses less digits than its factorization.

1143608566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1804118.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 1143608566 is about 33817.2820611001. The cubic root of 1143608566 is about 1045.7450075312.

The spelling of 1143608566 in words is "one billion, one hundred forty-three million, six hundred eight thousand, five hundred sixty-six".