163025442 has 12 divisors (see below), whose sum is σ = 353221830. Its totient is φ = 54341808.

The previous prime is 163025431. The next prime is 163025459. The reversal of 163025442 is 244520361.

163025442 is a `hidden beast` number, since 1 + 630 + 25 + 4 + 4 + 2 = 666.

163025442 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 162027441 + 998001 = 12729^2 + 999^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4528467 + ... + 4528502.

Almost surely, 2^163025442 is an apocalyptic number.

163025442 is an abundant number, since it is smaller than the sum of its proper divisors (190196388).

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

163025442 is a wasteful number, since it uses less digits than its factorization.

163025442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9056977 (or 9056974 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 163025442 is about 12768.1416815447. The cubic root of 163025442 is about 546.2839765778.

It can be divided in two parts, 1630 and 25442, that added together give a palindrome (27072).

The spelling of 163025442 in words is "one hundred sixty-three million, twenty-five thousand, four hundred forty-two".