165143333243066 has 24 divisors (see below), whose sum is σ = 262097359103700. Its totient is φ = 78028747004736.

The previous prime is 165143333243029. The next prime is 165143333243197. The reversal of 165143333243066 is 660342333341561.

165143333243066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 156896792964025 + 8246540279041 = 12525845^2 + 2871679^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 287786891 + ... + 288360158.

Almost surely, 2^{165143333243066} is an apocalyptic number.

165143333243066 is a deficient number, since it is larger than the sum of its proper divisors (96954025860634).

165143333243066 is a wasteful number, since it uses less digits than its factorization.

165143333243066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576147486 (or 576147467 counting only the distinct ones).

The product of its (nonzero) digits is 8398080, while the sum is 50.

The spelling of 165143333243066 in words is "one hundred sixty-five trillion, one hundred forty-three billion, three hundred thirty-three million, two hundred forty-three thousand, sixty-six".