162996868109 has 2 divisors, whose sum is σ = 162996868110. Its totient is φ = 162996868108.

The previous prime is 162996868103. The next prime is 162996868183. The reversal of 162996868109 is 901868699261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116393557225 + 46603310884 = 341165^2 + 215878^2 .

It is an emirp because it is prime and its reverse (901868699261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 162996868109 - 2⁴ = 162996868093 is a prime.

It is a super-3 number, since 3×162996868109³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162996868103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81498434054 + 81498434055.

It is an arithmetic number, because the mean of its divisors is an integer number (81498434055).

Almost surely, 2^162996868109 is an apocalyptic number.

It is an amenable number.

162996868109 is a deficient number, since it is larger than the sum of its proper divisors (1).

162996868109 is an equidigital number, since it uses as much as digits as its factorization.

162996868109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20155392, while the sum is 65.

The spelling of 162996868109 in words is "one hundred sixty-two billion, nine hundred ninety-six million, eight hundred sixty-eight thousand, one hundred nine".