161148120 has 256 divisors, whose sum is σ = 608256000. Its totient is φ = 33302016.

The previous prime is 161148109. The next prime is 161148173. The reversal of 161148120 is 21841161.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 366861 + ... + 367299.

It is an arithmetic number, because the mean of its divisors is an integer number (2376000).

Almost surely, 2^161148120 is an apocalyptic number.

161148120 is a gapful number since it is divisible by the number (10) 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 161148120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (304128000).

161148120 is an abundant number, since it is smaller than the sum of its proper divisors (447107880).

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

161148120 is a wasteful number, since it uses less digits than its factorization.

161148120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502 (or 498 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 24.

The square root of 161148120 is about 12694.4129442838. The cubic root of 161148120 is about 544.1789618089.

Adding to 161148120 its reverse (21841161), we get a palindrome (182989281).

The spelling of 161148120 in words is "one hundred sixty-one million, one hundred forty-eight thousand, one hundred twenty".