161338848 has 48 divisors (see below), whose sum is σ = 462018816. Its totient is φ = 48890240.

The previous prime is 161338847. The next prime is 161338871. The reversal of 161338848 is 848833161.

It is a tau number, because it is divible by the number of its divisors (48).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161338841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75336 + ... + 77447.

It is an arithmetic number, because the mean of its divisors is an integer number (9625392).

Almost surely, 2^161338848 is an apocalyptic number.

It is an amenable number.

161338848 is an abundant number, since it is smaller than the sum of its proper divisors (300679968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161338848 is a wasteful number, since it uses less digits than its factorization.

161338848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152807 (or 152799 counting only the distinct ones).

The product of its digits is 110592, while the sum is 42.

The square root of 161338848 is about 12701.9230040179. The cubic root of 161338848 is about 544.3935661219.

The spelling of 161338848 in words is "one hundred sixty-one million, three hundred thirty-eight thousand, eight hundred forty-eight".