163420532 has 12 divisors (see below), whose sum is σ = 311984736. Its totient is φ = 74282040.

The previous prime is 163420531. The next prime is 163420549. The reversal of 163420532 is 235024361.

163420532 = 1319² + 1320² + ... + 1406².

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163420531) 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, 1857008 + ... + 1857095.

It is an arithmetic number, because the mean of its divisors is an integer number (25998728).

Almost surely, 2^163420532 is an apocalyptic number.

It is an amenable number.

163420532 is a deficient number, since it is larger than the sum of its proper divisors (148564204).

163420532 is a wasteful number, since it uses less digits than its factorization.

163420532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3714118 (or 3714116 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 163420532 is about 12783.6040301630. The cubic root of 163420532 is about 546.7249245534.

Adding to 163420532 its reverse (235024361), we get a palindrome (398444893).

The spelling of 163420532 in words is "one hundred sixty-three million, four hundred twenty thousand, five hundred thirty-two".