165640106702346 has 16 divisors (see below), whose sum is σ = 331280820885600. Its totient is φ = 55213267653968.

The previous prime is 165640106702333. The next prime is 165640106702363. The reversal of 165640106702346 is 643207601046561.

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 7 ways as a sum of consecutive naturals, for example, 21728001 + ... + 28344068.

It is an arithmetic number, because the mean of its divisors is an integer number (20705051305350).

Almost surely, 2^{165640106702346} is an apocalyptic number.

165640106702346 is an abundant number, since it is smaller than the sum of its proper divisors (165640714183254).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

165640106702346 is a wasteful number, since it uses less digits than its factorization.

165640106702346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50623413.

The product of its (nonzero) digits is 4354560, while the sum is 51.

The spelling of 165640106702346 in words is "one hundred sixty-five trillion, six hundred forty billion, one hundred six million, seven hundred two thousand, three hundred forty-six".