1143067616 has 24 divisors (see below), whose sum is σ = 2348259984. Its totient is φ = 546684160.

The previous prime is 1143067613. The next prime is 1143067643. The reversal of 1143067616 is 6167603411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143067613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 775805 + ... + 777276.

It is an arithmetic number, because the mean of its divisors is an integer number (97844166).

Almost surely, 2^1143067616 is an apocalyptic number.

1143067616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1143067616 is an abundant number, since it is smaller than the sum of its proper divisors (1205192368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1143067616 is a wasteful number, since it uses less digits than its factorization.

1143067616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1553114 (or 1553106 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 1143067616 is about 33809.2829855944. The cubic root of 1143067616 is about 1045.5800953409.

The spelling of 1143067616 in words is "one billion, one hundred forty-three million, sixty-seven thousand, six hundred sixteen".