161248230 has 288 divisors, whose sum is σ = 533306592. Its totient is φ = 33454080.

The previous prime is 161248229. The next prime is 161248253. The reversal of 161248230 is 32842161.

161248230 is a `hidden beast` number, since 1 + 612 + 48 + 2 + 3 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 161248194 and 161248203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 2406657 + ... + 2406723.

It is an arithmetic number, because the mean of its divisors is an integer number (1851759).

Almost surely, 2^161248230 is an apocalyptic number.

161248230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 161248230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (266653296).

161248230 is an abundant number, since it is smaller than the sum of its proper divisors (372058362).

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

161248230 is a wasteful number, since it uses less digits than its factorization.

161248230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132 (or 118 counting only the distinct ones).

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

The square root of 161248230 is about 12698.3554053271. The cubic root of 161248230 is about 544.2916251952.

The spelling of 161248230 in words is "one hundred sixty-one million, two hundred forty-eight thousand, two hundred thirty".