162081830104609 has 2 divisors, whose sum is σ = 162081830104610. Its totient is φ = 162081830104608.

The previous prime is 162081830104589. The next prime is 162081830104639. The reversal of 162081830104609 is 906401038180261.

It is a happy number.

162081830104609 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., 154593414273600 + 7488415831009 = 12433560^2 + 2736497^2 .

It is a cyclic number.

It is not a de Polignac number, because 162081830104609 - 2²¹ = 162081828007457 is a prime.

It is not a weakly prime, because it can be changed into another prime (162081830104639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81040915052304 + 81040915052305.

It is an arithmetic number, because the mean of its divisors is an integer number (81040915052305).

Almost surely, 2^{162081830104609} is an apocalyptic number.

It is an amenable number.

162081830104609 is a deficient number, since it is larger than the sum of its proper divisors (1).

162081830104609 is an equidigital number, since it uses as much as digits as its factorization.

162081830104609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 497664, while the sum is 49.

The spelling of 162081830104609 in words is "one hundred sixty-two trillion, eighty-one billion, eight hundred thirty million, one hundred four thousand, six hundred nine".