163494886 has 16 divisors (see below), whose sum is σ = 258424560. Its totient is φ = 77362560.

The previous prime is 163494871. The next prime is 163494889. The reversal of 163494886 is 688494361.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163494889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48570 + ... + 51826.

It is an arithmetic number, because the mean of its divisors is an integer number (16151535).

Almost surely, 2^163494886 is an apocalyptic number.

163494886 is a deficient number, since it is larger than the sum of its proper divisors (94929674).

163494886 is a wasteful number, since it uses less digits than its factorization.

163494886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4599.

The product of its digits is 995328, while the sum is 49.

The square root of 163494886 is about 12786.5118777562. The cubic root of 163494886 is about 546.8078293163.

The spelling of 163494886 in words is "one hundred sixty-three million, four hundred ninety-four thousand, eight hundred eighty-six".