188196256 has 48 divisors (see below), whose sum is σ = 393683976. Its totient is φ = 88252416.

The previous prime is 188196241. The next prime is 188196271. The reversal of 188196256 is 652691881.

188196256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (188196241) and next prime (188196271).

It can be written as a sum of positive squares in 4 ways, for example, as 188128656 + 67600 = 13716^2 + 260^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248230 + ... + 248986.

Almost surely, 2^188196256 is an apocalyptic number.

188196256 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 188196256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196841988).

188196256 is an abundant number, since it is smaller than the sum of its proper divisors (205487720).

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

188196256 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (188196255) it forms an eRAP, since the sums of their prime factors are consecutive (1240 and 1241).

188196256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1241 (or 1233 counting only the distinct ones).

The product of its digits is 207360, while the sum is 46.

The square root of 188196256 is about 13718.4640539676. The cubic root of 188196256 is about 573.0647031922.

The spelling of 188196256 in words is "one hundred eighty-eight million, one hundred ninety-six thousand, two hundred fifty-six".