163040529 has 4 divisors (see below), whose sum is σ = 217387376. Its totient is φ = 108693684.

The previous prime is 163040513. The next prime is 163040533. The reversal of 163040529 is 925040361.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 163040529 - 2⁴ = 163040513 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 163040496 and 163040505.

It is not an unprimeable number, because it can be changed into a prime (163040329) 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, 27173419 + ... + 27173424.

It is an arithmetic number, because the mean of its divisors is an integer number (54346844).

Almost surely, 2^163040529 is an apocalyptic number.

It is an amenable number.

163040529 is a deficient number, since it is larger than the sum of its proper divisors (54346847).

163040529 is an equidigital number, since it uses as much as digits as its factorization.

163040529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54346846.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 163040529 is about 12768.7324742905. The cubic root of 163040529 is about 546.3008277964.

The spelling of 163040529 in words is "one hundred sixty-three million, forty thousand, five hundred twenty-nine".