165120114542450 has 12 divisors (see below), whose sum is σ = 307123413049050. Its totient is φ = 66048045816960.

The previous prime is 165120114542363. The next prime is 165120114542477. The reversal of 165120114542450 is 54245411021561.

It can be written as a sum of positive squares in 3 ways, for example, as 141059019587929 + 24061094954521 = 11876827^2 + 4905211^2 .

It is a junction number, because it is equal to n+sod(n) for n = 165120114542398 and 165120114542407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1651201145375 + ... + 1651201145474.

Almost surely, 2^{165120114542450} is an apocalyptic number.

165120114542450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165120114542450 is a deficient number, since it is larger than the sum of its proper divisors (142003298506600).

165120114542450 is a wasteful number, since it uses less digits than its factorization.

165120114542450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3302402290861 (or 3302402290856 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 41.

The spelling of 165120114542450 in words is "one hundred sixty-five trillion, one hundred twenty billion, one hundred fourteen million, five hundred forty-two thousand, four hundred fifty".