188700000361 has 2 divisors, whose sum is σ = 188700000362. Its totient is φ = 188700000360.

The previous prime is 188700000329. The next prime is 188700000421. The reversal of 188700000361 is 163000007881.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 128665690000 + 60034310361 = 358700^2 + 245019^2 .

It is a cyclic number.

It is not a de Polignac number, because 188700000361 - 2⁵ = 188700000329 is a prime.

It is not a weakly prime, because it can be changed into another prime (188700000761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94350000180 + 94350000181.

It is an arithmetic number, because the mean of its divisors is an integer number (94350000181).

Almost surely, 2^188700000361 is an apocalyptic number.

It is an amenable number.

188700000361 is a deficient number, since it is larger than the sum of its proper divisors (1).

188700000361 is an equidigital number, since it uses as much as digits as its factorization.

188700000361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 34.

The spelling of 188700000361 in words is "one hundred eighty-eight billion, seven hundred million, three hundred sixty-one", and thus it is an aban number.