162065749 has 2 divisors, whose sum is σ = 162065750. Its totient is φ = 162065748.

The previous prime is 162065741. The next prime is 162065759. The reversal of 162065749 is 947560261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98863249 + 63202500 = 9943^2 + 7950^2 .

It is a cyclic number.

It is not a de Polignac number, because 162065749 - 2³ = 162065741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162065741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81032874 + 81032875.

It is an arithmetic number, because the mean of its divisors is an integer number (81032875).

Almost surely, 2^162065749 is an apocalyptic number.

It is an amenable number.

162065749 is a deficient number, since it is larger than the sum of its proper divisors (1).

162065749 is an equidigital number, since it uses as much as digits as its factorization.

162065749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 162065749 is about 12730.5046639951. The cubic root of 162065749 is about 545.2099171721.

The spelling of 162065749 in words is "one hundred sixty-two million, sixty-five thousand, seven hundred forty-nine".