163164244 has 6 divisors (see below), whose sum is σ = 285537434. Its totient is φ = 81582120.

The previous prime is 163164227. The next prime is 163164259. The reversal of 163164244 is 442461361.

It can be written as a sum of positive squares in only one way, i.e., 149768644 + 13395600 = 12238^2 + 3660^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 20395527 + ... + 20395534.

Almost surely, 2^163164244 is an apocalyptic number.

It is an amenable number.

163164244 is a deficient number, since it is larger than the sum of its proper divisors (122373190).

163164244 is a wasteful number, since it uses less digits than its factorization.

163164244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40791065 (or 40791063 counting only the distinct ones).

The product of its digits is 13824, while the sum is 31.

The square root of 163164244 is about 12773.5760067414. The cubic root of 163164244 is about 546.4389703796.

The spelling of 163164244 in words is "one hundred sixty-three million, one hundred sixty-four thousand, two hundred forty-four".