163001047 has 4 divisors (see below), whose sum is σ = 177819336. Its totient is φ = 148182760.

The previous prime is 163001039. The next prime is 163001051. The reversal of 163001047 is 740100361.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 163001047 - 2³ = 163001039 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 (163001147) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 7409128 + ... + 7409149.

It is an arithmetic number, because the mean of its divisors is an integer number (44454834).

Almost surely, 2^163001047 is an apocalyptic number.

163001047 is a deficient number, since it is larger than the sum of its proper divisors (14818289).

163001047 is a wasteful number, since it uses less digits than its factorization.

163001047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14818288.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 163001047 is about 12767.1863384224. The cubic root of 163001047 is about 546.2567267158.

The spelling of 163001047 in words is "one hundred sixty-three million, one thousand, forty-seven".