162091093 has 2 divisors, whose sum is σ = 162091094. Its totient is φ = 162091092.

The previous prime is 162091079. The next prime is 162091103. The reversal of 162091093 is 390190261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 140019889 + 22071204 = 11833^2 + 4698^2 .

It is an emirp because it is prime and its reverse (390190261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 162091093 - 2⁹ = 162090581 is a prime.

It is the 12732-nd Hogben number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162091003) by changing a digit.

It is a nontrivial repunit in base 12731.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81045546 + 81045547.

It is an arithmetic number, because the mean of its divisors is an integer number (81045547).

Almost surely, 2^162091093 is an apocalyptic number.

It is an amenable number.

162091093 is a deficient number, since it is larger than the sum of its proper divisors (1).

162091093 is an equidigital number, since it uses as much as digits as its factorization.

162091093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 162091093 is about 12731.5000294545. The cubic root of 162091093 is about 545.2383358437.

The spelling of 162091093 in words is "one hundred sixty-two million, ninety-one thousand, ninety-three".