165066435322 has 4 divisors (see below), whose sum is σ = 247599652986. Its totient is φ = 82533217660.

The previous prime is 165066435311. The next prime is 165066435377. The reversal of 165066435322 is 223534660561.

165066435322 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 223534660561 = 101 ⋅2213214461.

It can be written as a sum of positive squares in only one way, i.e., 147048473961 + 18017961361 = 383469^2 + 134231^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41266608829 + ... + 41266608832.

Almost surely, 2^165066435322 is an apocalyptic number.

165066435322 is a deficient number, since it is larger than the sum of its proper divisors (82533217664).

165066435322 is an equidigital number, since it uses as much as digits as its factorization.

165066435322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82533217663.

The product of its (nonzero) digits is 777600, while the sum is 43.

The spelling of 165066435322 in words is "one hundred sixty-five billion, sixty-six million, four hundred thirty-five thousand, three hundred twenty-two".