162939066109 has 2 divisors, whose sum is σ = 162939066110. Its totient is φ = 162939066108.

The previous prime is 162939066079. The next prime is 162939066193. The reversal of 162939066109 is 901660939261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 141810990084 + 21128076025 = 376578^2 + 145355^2 .

It is a cyclic number.

It is not a de Polignac number, because 162939066109 - 2⁵ = 162939066077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162939066209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81469533054 + 81469533055.

It is an arithmetic number, because the mean of its divisors is an integer number (81469533055).

Almost surely, 2^162939066109 is an apocalyptic number.

It is an amenable number.

162939066109 is a deficient number, since it is larger than the sum of its proper divisors (1).

162939066109 is an equidigital number, since it uses as much as digits as its factorization.

162939066109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 944784, while the sum is 52.

The spelling of 162939066109 in words is "one hundred sixty-two billion, nine hundred thirty-nine million, sixty-six thousand, one hundred nine".