163798613 has 8 divisors (see below), whose sum is σ = 179205600. Its totient is φ = 148477680.

The previous prime is 163798597. The next prime is 163798651. The reversal of 163798613 is 316897361.

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

It is a cyclic number.

It is not a de Polignac number, because 163798613 - 2⁴ = 163798597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163798013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17495 + ... + 25172.

It is an arithmetic number, because the mean of its divisors is an integer number (22400700).

Almost surely, 2^163798613 is an apocalyptic number.

It is an amenable number.

163798613 is a deficient number, since it is larger than the sum of its proper divisors (15406987).

163798613 is a wasteful number, since it uses less digits than its factorization.

163798613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43027.

The product of its digits is 163296, while the sum is 44.

The square root of 163798613 is about 12798.3832182038. The cubic root of 163798613 is about 547.1462243334.

The spelling of 163798613 in words is "one hundred sixty-three million, seven hundred ninety-eight thousand, six hundred thirteen".