163713415 has 4 divisors (see below), whose sum is σ = 196456104. Its totient is φ = 130970728.

The previous prime is 163713413. The next prime is 163713421. The reversal of 163713415 is 514317361.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 514317361 = 127 ⋅4049743.

It is a cyclic number.

It is not a de Polignac number, because 163713415 - 2¹ = 163713413 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 (163713413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16371337 + ... + 16371346.

It is an arithmetic number, because the mean of its divisors is an integer number (49114026).

Almost surely, 2^163713415 is an apocalyptic number.

163713415 is a deficient number, since it is larger than the sum of its proper divisors (32742689).

163713415 is an equidigital number, since it uses as much as digits as its factorization.

163713415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32742688.

The product of its digits is 7560, while the sum is 31.

The square root of 163713415 is about 12795.0543179777. The cubic root of 163713415 is about 547.0513439033.

The spelling of 163713415 in words is "one hundred sixty-three million, seven hundred thirteen thousand, four hundred fifteen".