163271373 has 8 divisors (see below), whose sum is σ = 222327168. Its totient is φ = 106531584.

The previous prime is 163271371. The next prime is 163271393. The reversal of 163271373 is 373172361.

It is a happy number.

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

It is not a de Polignac number, because 163271373 - 2¹ = 163271371 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163271371) 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, 578836 + ... + 579117.

It is an arithmetic number, because the mean of its divisors is an integer number (27790896).

Almost surely, 2^163271373 is an apocalyptic number.

It is an amenable number.

163271373 is a deficient number, since it is larger than the sum of its proper divisors (59055795).

163271373 is a wasteful number, since it uses less digits than its factorization.

163271373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1158003.

The product of its digits is 15876, while the sum is 33.

The square root of 163271373 is about 12777.7687019291. The cubic root of 163271373 is about 546.5585363088.

The spelling of 163271373 in words is "one hundred sixty-three million, two hundred seventy-one thousand, three hundred seventy-three".