162180079 has 2 divisors, whose sum is σ = 162180080. Its totient is φ = 162180078.

The previous prime is 162180077. The next prime is 162180113. The reversal of 162180079 is 970081261.

It is a happy number.

It is an a-pointer prime, because the next prime (162180113) can be obtained adding 162180079 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 162180079 - 2¹ = 162180077 is a prime.

Together with 162180077, it forms a pair of twin primes.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162180077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81090039 + 81090040.

It is an arithmetic number, because the mean of its divisors is an integer number (81090040).

Almost surely, 2^162180079 is an apocalyptic number.

162180079 is a deficient number, since it is larger than the sum of its proper divisors (1).

162180079 is an equidigital number, since it uses as much as digits as its factorization.

162180079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 162180079 is about 12734.9942677647. The cubic root of 162180079 is about 545.3380939523.

The spelling of 162180079 in words is "one hundred sixty-two million, one hundred eighty thousand, seventy-nine".