163352642 has 4 divisors (see below), whose sum is σ = 245028966. Its totient is φ = 81676320.

The previous prime is 163352641. The next prime is 163352659. The reversal of 163352642 is 246253361.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 130393561 + 32959081 = 11419^2 + 5741^2 .

It is a junction number, because it is equal to n+sod(n) for n = 163352599 and 163352608.

It is not an unprimeable number, because it can be changed into a prime (163352641) 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 as a sum of consecutive naturals, namely, 40838159 + ... + 40838162.

Almost surely, 2^163352642 is an apocalyptic number.

163352642 is a deficient number, since it is larger than the sum of its proper divisors (81676324).

163352642 is an equidigital number, since it uses as much as digits as its factorization.

163352642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81676323.

The product of its digits is 25920, while the sum is 32.

The square root of 163352642 is about 12780.9483998645. The cubic root of 163352642 is about 546.6492051895.

The spelling of 163352642 in words is "one hundred sixty-three million, three hundred fifty-two thousand, six hundred forty-two".