163442793 has 8 divisors (see below), whose sum is σ = 217986400. Its totient is φ = 108930528.

The previous prime is 163442771. The next prime is 163442827. The reversal of 163442793 is 397244361.

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

It is not a de Polignac number, because 163442793 - 2¹⁰ = 163441769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163442723) 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, 10398 + ... + 20856.

It is an arithmetic number, because the mean of its divisors is an integer number (27248300).

Almost surely, 2^163442793 is an apocalyptic number.

It is an amenable number.

163442793 is a deficient number, since it is larger than the sum of its proper divisors (54543607).

163442793 is a wasteful number, since it uses less digits than its factorization.

163442793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15671.

The product of its digits is 108864, while the sum is 39.

The square root of 163442793 is about 12784.4746861183. The cubic root of 163442793 is about 546.7497482211.

The spelling of 163442793 in words is "one hundred sixty-three million, four hundred forty-two thousand, seven hundred ninety-three".