163449954 has 16 divisors (see below), whose sum is σ = 363222240. Its totient is φ = 54483300.

The previous prime is 163449953. The next prime is 163449959. The reversal of 163449954 is 459944361.

163449954 is a `hidden beast` number, since 1 + 634 + 4 + 9 + 9 + 5 + 4 = 666.

It is not an unprimeable number, because it can be changed into a prime (163449953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1513372 + ... + 1513479.

It is an arithmetic number, because the mean of its divisors is an integer number (22701390).

Almost surely, 2^163449954 is an apocalyptic number.

163449954 is an abundant number, since it is smaller than the sum of its proper divisors (199772286).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163449954 is a wasteful number, since it uses less digits than its factorization.

163449954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3026862 (or 3026856 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 163449954 is about 12784.7547493098. The cubic root of 163449954 is about 546.7577331103.

The spelling of 163449954 in words is "one hundred sixty-three million, four hundred forty-nine thousand, nine hundred fifty-four".