120335064366161 has 4 divisors (see below), whose sum is σ = 120340666317924. Its totient is φ = 120329462414400.

The previous prime is 120335064366149. The next prime is 120335064366211. The reversal of 120335064366161 is 161663460533021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 64801791601936 + 55533272764225 = 8049956^2 + 7452065^2 .

It is a cyclic number.

It is not a de Polignac number, because 120335064366161 - 2²⁶ = 120334997257297 is a prime.

It is a super-2 number, since 2×120335064366161² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120335064366131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2800943660 + ... + 2800986621.

It is an arithmetic number, because the mean of its divisors is an integer number (30085166579481).

Almost surely, 2^{120335064366161} is an apocalyptic number.

It is an amenable number.

120335064366161 is a deficient number, since it is larger than the sum of its proper divisors (5601951763).

120335064366161 is an equidigital number, since it uses as much as digits as its factorization.

120335064366161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5601951762.

The product of its (nonzero) digits is 1399680, while the sum is 47.

The spelling of 120335064366161 in words is "one hundred twenty trillion, three hundred thirty-five billion, sixty-four million, three hundred sixty-six thousand, one hundred sixty-one".