163270485 has 88 divisors (see below), whose sum is σ = 340120320. Its totient is φ = 73693152.

The previous prime is 163270483. The next prime is 163270489. The reversal of 163270485 is 584072361.

It is not a de Polignac number, because 163270485 - 2¹ = 163270483 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163270483) 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 87 ways as a sum of consecutive naturals, for example, 2066676 + ... + 2066754.

Almost surely, 2^163270485 is an apocalyptic number.

163270485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

163270485 is an abundant number, since it is smaller than the sum of its proper divisors (176849835).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163270485 is an frugal number, since it uses more digits than its factorization.

163270485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121 (or 94 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 163270485 is about 12777.7339540311. The cubic root of 163270485 is about 546.5575454332.

The spelling of 163270485 in words is "one hundred sixty-three million, two hundred seventy thousand, four hundred eighty-five".