162998830609 has 2 divisors, whose sum is σ = 162998830610. Its totient is φ = 162998830608.

The previous prime is 162998830573. The next prime is 162998830627. The reversal of 162998830609 is 906038899261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107123326209 + 55875504400 = 327297^2 + 236380^2 .

It is a cyclic number.

It is not a de Polignac number, because 162998830609 - 2⁹ = 162998830097 is a prime.

It is not a weakly prime, because it can be changed into another prime (162998830649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81499415304 + 81499415305.

It is an arithmetic number, because the mean of its divisors is an integer number (81499415305).

Almost surely, 2^162998830609 is an apocalyptic number.

It is an amenable number.

162998830609 is a deficient number, since it is larger than the sum of its proper divisors (1).

162998830609 is an equidigital number, since it uses as much as digits as its factorization.

162998830609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10077696, while the sum is 61.

The spelling of 162998830609 in words is "one hundred sixty-two billion, nine hundred ninety-eight million, eight hundred thirty thousand, six hundred nine".