165662450425141 has 4 divisors (see below), whose sum is σ = 168470288568000. Its totient is φ = 162854612282284.

The previous prime is 165662450425139. The next prime is 165662450425177. The reversal of 165662450425141 is 141524054266561.

165662450425141 is digitally balanced in base 2, 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 165662450425141 - 2¹ = 165662450425139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165662450429141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1403919071341 + ... + 1403919071458.

It is an arithmetic number, because the mean of its divisors is an integer number (42117572142000).

Almost surely, 2^{165662450425141} is an apocalyptic number.

It is an amenable number.

165662450425141 is a deficient number, since it is larger than the sum of its proper divisors (2807838142859).

165662450425141 is an equidigital number, since it uses as much as digits as its factorization.

165662450425141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2807838142858.

The product of its (nonzero) digits is 6912000, while the sum is 52.

The spelling of 165662450425141 in words is "one hundred sixty-five trillion, six hundred sixty-two billion, four hundred fifty million, four hundred twenty-five thousand, one hundred forty-one".