161052300 has 180 divisors, whose sum is σ = 532491960. Its totient is φ = 42094080.

The previous prime is 161052299. The next prime is 161052349. The reversal of 161052300 is 3250161.

161052300 is a `hidden beast` number, since 1 + 610 + 52 + 3 + 0 + 0 = 666.

161052300 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (180).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 477732 + ... + 478068.

Almost surely, 2^161052300 is an apocalyptic number.

161052300 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 161052300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (266245980).

161052300 is an abundant number, since it is smaller than the sum of its proper divisors (371439660).

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

161052300 is a wasteful number, since it uses less digits than its factorization.

161052300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422 (or 406 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 161052300 is about 12690.6382818202. The cubic root of 161052300 is about 544.0710826593.

The spelling of 161052300 in words is "one hundred sixty-one million, fifty-two thousand, three hundred".