194553120 has 96 divisors (see below), whose sum is σ = 614960640. Its totient is φ = 51701760.

The previous prime is 194553109. The next prime is 194553137. The reversal of 194553120 is 21355491.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195825 + ... + 196815.

It is an arithmetic number, because the mean of its divisors is an integer number (6405840).

Almost surely, 2^194553120 is an apocalyptic number.

194553120 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 194553120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (307480320).

194553120 is an abundant number, since it is smaller than the sum of its proper divisors (420407520).

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

194553120 is a wasteful number, since it uses less digits than its factorization.

194553120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1418 (or 1410 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 194553120 is about 13948.2299952360. The cubic root of 194553120 is about 579.4456852254.

The spelling of 194553120 in words is "one hundred ninety-four million, five hundred fifty-three thousand, one hundred twenty".