161473200 has 240 divisors, whose sum is σ = 605199360. Its totient is φ = 36034560.

The previous prime is 161473199. The next prime is 161473201. The reversal of 161473200 is 2374161.

It is an interprime number because it is at equal distance from previous prime (161473199) and next prime (161473201).

It is a tau number, because it is divible by the number of its divisors (240).

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

It is not an unprimeable number, because it can be changed into a prime (161473201) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 394596 + ... + 395004.

It is an arithmetic number, because the mean of its divisors is an integer number (2521664).

Almost surely, 2^161473200 is an apocalyptic number.

161473200 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 161473200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (302599680).

161473200 is an abundant number, since it is smaller than the sum of its proper divisors (443726160).

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

161473200 is a wasteful number, since it uses less digits than its factorization.

161473200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484 (or 473 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 161473200 is about 12707.2105514940. The cubic root of 161473200 is about 544.5446354863.

The spelling of 161473200 in words is "one hundred sixty-one million, four hundred seventy-three thousand, two hundred".