163229390 has 16 divisors (see below), whose sum is σ = 306587808. Its totient is φ = 62452896.

The previous prime is 163229383. The next prime is 163229401. The reversal of 163229390 is 93922361.

It is a self number, because there is not a number n which added to its sum of digits gives 163229390.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 354617 + ... + 355076.

It is an arithmetic number, because the mean of its divisors is an integer number (19161738).

Almost surely, 2^163229390 is an apocalyptic number.

163229390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

163229390 is a deficient number, since it is larger than the sum of its proper divisors (143358418).

163229390 is a wasteful number, since it uses less digits than its factorization.

163229390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709723.

The product of its (nonzero) digits is 17496, while the sum is 35.

The square root of 163229390 is about 12776.1257820984. The cubic root of 163229390 is about 546.5116856093.

The spelling of 163229390 in words is "one hundred sixty-three million, two hundred twenty-nine thousand, three hundred ninety".