163004642 has 8 divisors (see below), whose sum is σ = 244579500. Its totient is φ = 81478144.

The previous prime is 163004623. The next prime is 163004689. The reversal of 163004642 is 246400361.

It can be written as a sum of positive squares in 2 ways, for example, as 161518681 + 1485961 = 12709^2 + 1219^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 1967 + ... + 18162.

Almost surely, 2^163004642 is an apocalyptic number.

163004642 is a deficient number, since it is larger than the sum of its proper divisors (81574858).

163004642 is a wasteful number, since it uses less digits than its factorization.

163004642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24180.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 163004642 is about 12767.3271282599. The cubic root of 163004642 is about 546.2607425969.

The spelling of 163004642 in words is "one hundred sixty-three million, four thousand, six hundred forty-two".