188061941 has 4 divisors (see below), whose sum is σ = 188131884. Its totient is φ = 187992000.

The previous prime is 188061931. The next prime is 188061947. The reversal of 188061941 is 149160881.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 149160881 = 11243 ⋅13267.

It can be written as a sum of positive squares in 2 ways, for example, as 133980625 + 54081316 = 11575^2 + 7354^2 .

It is a cyclic number.

It is not a de Polignac number, because 188061941 - 2²² = 183867637 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 188061895 and 188061904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (188061947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30770 + ... + 36371.

It is an arithmetic number, because the mean of its divisors is an integer number (47032971).

Almost surely, 2^188061941 is an apocalyptic number.

It is an amenable number.

188061941 is a deficient number, since it is larger than the sum of its proper divisors (69943).

188061941 is an equidigital number, since it uses as much as digits as its factorization.

188061941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69942.

The product of its (nonzero) digits is 13824, while the sum is 38.

The square root of 188061941 is about 13713.5677706423. The cubic root of 188061941 is about 572.9283393313.

The spelling of 188061941 in words is "one hundred eighty-eight million, sixty-one thousand, nine hundred forty-one".