83163573 has 12 divisors (see below), whose sum is σ = 120303820. Its totient is φ = 55359936.

The previous prime is 83163569. The next prime is 83163581. The reversal of 83163573 is 37536138.

83163573 is a `hidden beast` number, since 83 + 1 + 6 + 3 + 573 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 29844369 + 53319204 = 5463^2 + 7302^2 .

It is not a de Polignac number, because 83163573 - 2² = 83163569 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83163523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 136 + ... + 12897.

Almost surely, 2^83163573 is an apocalyptic number.

It is an amenable number.

83163573 is a deficient number, since it is larger than the sum of its proper divisors (37140247).

83163573 is a wasteful number, since it uses less digits than its factorization.

83163573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13748 (or 13745 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 83163573 is about 9119.4063951553. The cubic root of 83163573 is about 436.4934321154.

The spelling of 83163573 in words is "eighty-three million, one hundred sixty-three thousand, five hundred seventy-three".