163481853 has 8 divisors (see below), whose sum is σ = 218064928. Its totient is φ = 108943344.

The previous prime is 163481849. The next prime is 163481867. The reversal of 163481853 is 358184361.

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

It is not a de Polignac number, because 163481853 - 2² = 163481849 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 (163481803) 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 7 ways as a sum of consecutive naturals, for example, 1351 + ... + 18132.

It is an arithmetic number, because the mean of its divisors is an integer number (27258116).

Almost surely, 2^163481853 is an apocalyptic number.

It is an amenable number.

163481853 is a deficient number, since it is larger than the sum of its proper divisors (54583075).

163481853 is a wasteful number, since it uses less digits than its factorization.

163481853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22283.

The product of its digits is 69120, while the sum is 39.

The square root of 163481853 is about 12786.0022290003. The cubic root of 163481853 is about 546.7932993290.

The spelling of 163481853 in words is "one hundred sixty-three million, four hundred eighty-one thousand, eight hundred fifty-three".