161663848 has 16 divisors (see below), whose sum is σ = 304218180. Its totient is φ = 80539008.

The previous prime is 161663809. The next prime is 161663851. The reversal of 161663848 is 848366161.

It is a happy number.

161663848 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 155700484 + 5963364 = 12478^2 + 2442^2 .

It is a super-2 number, since 2×161663848² = 52270399500334208, which contains 22 as substring.

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 in 3 ways as a sum of consecutive naturals, for example, 34261 + ... + 38692.

Almost surely, 2^161663848 is an apocalyptic number.

It is an amenable number.

161663848 is a deficient number, since it is larger than the sum of its proper divisors (142554332).

161663848 is a wasteful number, since it uses less digits than its factorization.

161663848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73236 (or 73232 counting only the distinct ones).

The product of its digits is 165888, while the sum is 43.

The square root of 161663848 is about 12714.7099062464. The cubic root of 161663848 is about 544.7588619844.

The spelling of 161663848 in words is "one hundred sixty-one million, six hundred sixty-three thousand, eight hundred forty-eight".