188461056 has 156 divisors (see below), whose sum is σ = 586410072. Its totient is φ = 53673984.

The previous prime is 188461033. The next prime is 188461067. The reversal of 188461056 is 650164881.

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 11 ways as a sum of consecutive naturals, for example, 601956 + ... + 602268.

Almost surely, 2^188461056 is an apocalyptic number.

188461056 is a gapful number since it is divisible by the number (16) 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 188461056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (293205036).

188461056 is an abundant number, since it is smaller than the sum of its proper divisors (397949016).

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

188461056 is an equidigital number, since it uses as much as digits as its factorization.

188461056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354 (or 325 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 39.

The square root of 188461056 is about 13728.1118876559. Note that the first 3 decimals coincide. The cubic root of 188461056 is about 573.3333525629. Note that the first 4 decimals are identical.

The spelling of 188461056 in words is "one hundred eighty-eight million, four hundred sixty-one thousand, fifty-six".