161340048 has 60 divisors (see below), whose sum is σ = 457002000. Its totient is φ = 53128128.

The previous prime is 161340029. The next prime is 161340073. The reversal of 161340048 is 840043161.

161340048 is a `hidden beast` number, since 1 + 613 + 4 + 0 + 0 + 48 = 666.

161340048 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×161340048² = 52061222177284608, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5203 + ... + 18701.

It is an arithmetic number, because the mean of its divisors is an integer number (7616700).

Almost surely, 2^161340048 is an apocalyptic number.

161340048 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 161340048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (228501000).

161340048 is an abundant number, since it is smaller than the sum of its proper divisors (295661952).

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

161340048 is a wasteful number, since it uses less digits than its factorization.

161340048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13596 (or 13587 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 161340048 is about 12701.9702408721. The cubic root of 161340048 is about 544.3949158085.

The spelling of 161340048 in words is "one hundred sixty-one million, three hundred forty thousand, forty-eight".