161220848 has 20 divisors (see below), whose sum is σ = 313748520. Its totient is φ = 80253504.

The previous prime is 161220821. The next prime is 161220883. The reversal of 161220848 is 848022161.

It is a happy number.

161220848 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 18563 + ... + 25826.

It is an arithmetic number, because the mean of its divisors is an integer number (15687426).

Almost surely, 2^161220848 is an apocalyptic number.

It is an amenable number.

161220848 is a deficient number, since it is larger than the sum of its proper divisors (152527672).

161220848 is a wasteful number, since it uses less digits than its factorization.

161220848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44624 (or 44618 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 161220848 is about 12697.2771884369. The cubic root of 161220848 is about 544.2608142380.

The spelling of 161220848 in words is "one hundred sixty-one million, two hundred twenty thousand, eight hundred forty-eight".