165146166513265 has 16 divisors (see below), whose sum is σ = 227624292691200. Its totient is φ = 112674024872640.

The previous prime is 165146166513161. The next prime is 165146166513277. The reversal of 165146166513265 is 562315661641561.

165146166513265 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 165146166513265 - 2¹⁷ = 165146166382193 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11855424946 + ... + 11855438875.

It is an arithmetic number, because the mean of its divisors is an integer number (14226518293200).

Almost surely, 2^{165146166513265} is an apocalyptic number.

It is an amenable number.

165146166513265 is a deficient number, since it is larger than the sum of its proper divisors (62478126177935).

165146166513265 is a wasteful number, since it uses less digits than its factorization.

165146166513265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23710864032.

The product of its digits is 23328000, while the sum is 58.

The spelling of 165146166513265 in words is "one hundred sixty-five trillion, one hundred forty-six billion, one hundred sixty-six million, five hundred thirteen thousand, two hundred sixty-five".