8557162133 has 4 divisors (see below), whose sum is σ = 9215405388. Its totient is φ = 7898918880.

The previous prime is 8557162073. The next prime is 8557162147. The reversal of 8557162133 is 3312617558.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3631508644 + 4925653489 = 60262^2 + 70183^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8557162133 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8557162333) 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, 329121608 + ... + 329121633.

It is an arithmetic number, because the mean of its divisors is an integer number (2303851347).

Almost surely, 2^8557162133 is an apocalyptic number.

It is an amenable number.

8557162133 is a deficient number, since it is larger than the sum of its proper divisors (658243255).

8557162133 is a wasteful number, since it uses less digits than its factorization.

8557162133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658243254.

The product of its digits is 151200, while the sum is 41.

The square root of 8557162133 is about 92504.9303172539. The cubic root of 8557162133 is about 2045.3921596550.

The spelling of 8557162133 in words is "eight billion, five hundred fifty-seven million, one hundred sixty-two thousand, one hundred thirty-three".