162015664673 has 2 divisors, whose sum is σ = 162015664674. Its totient is φ = 162015664672.

The previous prime is 162015664663. The next prime is 162015664709. The reversal of 162015664673 is 376466510261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 159894417424 + 2121247249 = 399868^2 + 46057^2 .

It is a cyclic number.

It is not a de Polignac number, because 162015664673 - 2³⁶ = 93296187937 is a prime.

It is not a weakly prime, because it can be changed into another prime (162015664663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81007832336 + 81007832337.

It is an arithmetic number, because the mean of its divisors is an integer number (81007832337).

Almost surely, 2^162015664673 is an apocalyptic number.

It is an amenable number.

162015664673 is a deficient number, since it is larger than the sum of its proper divisors (1).

162015664673 is an equidigital number, since it uses as much as digits as its factorization.

162015664673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1088640, while the sum is 47.

The spelling of 162015664673 in words is "one hundred sixty-two billion, fifteen million, six hundred sixty-four thousand, six hundred seventy-three".