163191484 has 6 divisors (see below), whose sum is σ = 285585104. Its totient is φ = 81595740.

The previous prime is 163191481. The next prime is 163191487. The reversal of 163191484 is 484191361.

163191484 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (163191481) and next prime (163191487).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163191481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20398932 + ... + 20398939.

Almost surely, 2^163191484 is an apocalyptic number.

It is an amenable number.

163191484 is a deficient number, since it is larger than the sum of its proper divisors (122393620).

163191484 is a wasteful number, since it uses less digits than its factorization.

163191484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40797875 (or 40797873 counting only the distinct ones).

The product of its digits is 20736, while the sum is 37.

The square root of 163191484 is about 12774.6422259099. The cubic root of 163191484 is about 546.4693777142.

The spelling of 163191484 in words is "one hundred sixty-three million, one hundred ninety-one thousand, four hundred eighty-four".