163413985 has 32 divisors (see below), whose sum is σ = 233798400. Its totient is φ = 107278080.

The previous prime is 163413983. The next prime is 163414007. The reversal of 163413985 is 589314361.

It is not a de Polignac number, because 163413985 - 2¹ = 163413983 is a prime.

It is a super-3 number, since 3×163413985³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (163413983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 132351 + ... + 133579.

It is an arithmetic number, because the mean of its divisors is an integer number (7306200).

Almost surely, 2^163413985 is an apocalyptic number.

It is an amenable number.

163413985 is a deficient number, since it is larger than the sum of its proper divisors (70384415).

163413985 is a wasteful number, since it uses less digits than its factorization.

163413985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1401.

The product of its digits is 77760, while the sum is 40.

The square root of 163413985 is about 12783.3479574015. The cubic root of 163413985 is about 546.7176234392.

The spelling of 163413985 in words is "one hundred sixty-three million, four hundred thirteen thousand, nine hundred eighty-five".