163662244 has 6 divisors (see below), whose sum is σ = 286408934. Its totient is φ = 81831120.

The previous prime is 163662221. The next prime is 163662253. The reversal of 163662244 is 442266361.

It can be written as a sum of positive squares in only one way, i.e., 113422500 + 50239744 = 10650^2 + 7088^2 .

It is a super-2 number, since 2×163662244² = 53570660222231072, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20457777 + ... + 20457784.

Almost surely, 2^163662244 is an apocalyptic number.

It is an amenable number.

163662244 is a deficient number, since it is larger than the sum of its proper divisors (122746690).

163662244 is a wasteful number, since it uses less digits than its factorization.

163662244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40915565 (or 40915563 counting only the distinct ones).

The product of its digits is 41472, while the sum is 34.

The square root of 163662244 is about 12793.0545218880. The cubic root of 163662244 is about 546.9943416892.

The spelling of 163662244 in words is "one hundred sixty-three million, six hundred sixty-two thousand, two hundred forty-four".