192160981 has 2 divisors, whose sum is σ = 192160982. Its totient is φ = 192160980.

The previous prime is 192160963. The next prime is 192161027. The reversal of 192160981 is 189061291.

192160981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 185885956 + 6275025 = 13634^2 + 2505^2 .

It is a cyclic number.

It is not a de Polignac number, because 192160981 - 2⁵ = 192160949 is a prime.

It is a super-2 number, since 2×192160981² = 73851685237764722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 192160981.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (192160901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96080490 + 96080491.

It is an arithmetic number, because the mean of its divisors is an integer number (96080491).

Almost surely, 2^192160981 is an apocalyptic number.

It is an amenable number.

192160981 is a deficient number, since it is larger than the sum of its proper divisors (1).

192160981 is an equidigital number, since it uses as much as digits as its factorization.

192160981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 37.

The square root of 192160981 is about 13862.2141449337. The cubic root of 192160981 is about 577.0610155673.

The spelling of 192160981 in words is "one hundred ninety-two million, one hundred sixty thousand, nine hundred eighty-one".