162026681 has 2 divisors, whose sum is σ = 162026682. Its totient is φ = 162026680.

The previous prime is 162026659. The next prime is 162026713. The reversal of 162026681 is 186620261.

It is an a-pointer prime, because the next prime (162026713) can be obtained adding 162026681 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 128618281 + 33408400 = 11341^2 + 5780^2 .

It is a cyclic number.

It is not a de Polignac number, because 162026681 - 2⁶ = 162026617 is a prime.

It is a super-2 number, since 2×162026681² = 52505290711751522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (162026611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81013340 + 81013341.

It is an arithmetic number, because the mean of its divisors is an integer number (81013341).

Almost surely, 2^162026681 is an apocalyptic number.

It is an amenable number.

162026681 is a deficient number, since it is larger than the sum of its proper divisors (1).

162026681 is an equidigital number, since it uses as much as digits as its factorization.

162026681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 162026681 is about 12728.9701468736. The cubic root of 162026681 is about 545.1661037343.

The spelling of 162026681 in words is "one hundred sixty-two million, twenty-six thousand, six hundred eighty-one".