163729298 has 8 divisors (see below), whose sum is σ = 245756160. Its totient is φ = 81810580.

The previous prime is 163729297. The next prime is 163729309. The reversal of 163729298 is 892927361.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (163729297) by changing a digit.

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, 23138 + ... + 29373.

It is an arithmetic number, because the mean of its divisors is an integer number (30719520).

Almost surely, 2^163729298 is an apocalyptic number.

163729298 is a deficient number, since it is larger than the sum of its proper divisors (82026862).

163729298 is a wasteful number, since it uses less digits than its factorization.

163729298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54072.

The product of its digits is 326592, while the sum is 47.

The square root of 163729298 is about 12795.6749724272. The cubic root of 163729298 is about 547.0690344420.

The spelling of 163729298 in words is "one hundred sixty-three million, seven hundred twenty-nine thousand, two hundred ninety-eight".