1152166643 has 8 divisors (see below), whose sum is σ = 1184688912. Its totient is φ = 1119717216.

The previous prime is 1152166633. The next prime is 1152166649. The reversal of 1152166643 is 3466612511.

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

It is a cyclic number.

It is not a de Polignac number, because 1152166643 - 2⁸ = 1152166387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1152166649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14696 + ... + 50202.

It is an arithmetic number, because the mean of its divisors is an integer number (148086114).

Almost surely, 2^1152166643 is an apocalyptic number.

1152166643 is a deficient number, since it is larger than the sum of its proper divisors (32522269).

1152166643 is an equidigital number, since it uses as much as digits as its factorization.

1152166643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36421.

The product of its digits is 25920, while the sum is 35.

The square root of 1152166643 is about 33943.5802914189. The cubic root of 1152166643 is about 1048.3471024928.

The spelling of 1152166643 in words is "one billion, one hundred fifty-two million, one hundred sixty-six thousand, six hundred forty-three".