161463120 has 160 divisors (see below), whose sum is σ = 616127232. Its totient is φ = 34062336.

The previous prime is 161463089. The next prime is 161463139. The reversal of 161463120 is 21364161.

161463120 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 31 ways as a sum of consecutive naturals, for example, 18144 + ... + 25536.

Almost surely, 2^161463120 is an apocalyptic number.

161463120 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 161463120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (308063616).

161463120 is an abundant number, since it is smaller than the sum of its proper divisors (454664112).

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

161463120 is a wasteful number, since it uses less digits than its factorization.

161463120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7429 (or 7423 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 161463120 is about 12706.8139200981. The cubic root of 161463120 is about 544.5333041444.

The spelling of 161463120 in words is "one hundred sixty-one million, four hundred sixty-three thousand, one hundred twenty".