163413609 has 8 divisors (see below), whose sum is σ = 217960512. Its totient is φ = 108904560.

The previous prime is 163413599. The next prime is 163413619. The reversal of 163413609 is 906314361.

It is an interprime number because it is at equal distance from previous prime (163413599) and next prime (163413619).

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

It is not a de Polignac number, because 163413609 - 2⁸ = 163413353 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 163413609.

It is not an unprimeable number, because it can be changed into a prime (163413619) 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, 2932 + ... + 18314.

It is an arithmetic number, because the mean of its divisors is an integer number (27245064).

Almost surely, 2^163413609 is an apocalyptic number.

It is an amenable number.

163413609 is a deficient number, since it is larger than the sum of its proper divisors (54546903).

163413609 is a wasteful number, since it uses less digits than its factorization.

163413609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18927.

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 163413609 is about 12783.3332507605. Note that the first 3 decimals coincide. The cubic root of 163413609 is about 546.7172041239.

The spelling of 163413609 in words is "one hundred sixty-three million, four hundred thirteen thousand, six hundred nine".