163427330 has 16 divisors (see below), whose sum is σ = 320912064. Its totient is φ = 59428080.

The previous prime is 163427317. The next prime is 163427359. The reversal of 163427330 is 33724361.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 163427293 and 163427302.

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 7 ways as a sum of consecutive naturals, for example, 742742 + ... + 742961.

It is an arithmetic number, because the mean of its divisors is an integer number (20057004).

Almost surely, 2^163427330 is an apocalyptic number.

163427330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

163427330 is a deficient number, since it is larger than the sum of its proper divisors (157484734).

163427330 is a wasteful number, since it uses less digits than its factorization.

163427330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1485721.

The product of its (nonzero) digits is 9072, while the sum is 29.

The square root of 163427330 is about 12783.8699148576. The cubic root of 163427330 is about 546.7325053726.

The spelling of 163427330 in words is "one hundred sixty-three million, four hundred twenty-seven thousand, three hundred thirty".