165053562012641 has 8 divisors (see below), whose sum is σ = 165403346108520. Its totient is φ = 164704040226432.

The previous prime is 165053562012583. The next prime is 165053562012649. The reversal of 165053562012641 is 146210265350561.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 16592009142241 + 148461552870400 = 4073329^2 + 12184480^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 165053562012641 - 2⁴⁶ = 94684817834977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (165053562012649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64317596 + ... + 66834573.

It is an arithmetic number, because the mean of its divisors is an integer number (20675418263565).

Almost surely, 2^{165053562012641} is an apocalyptic number.

It is an amenable number.

165053562012641 is a deficient number, since it is larger than the sum of its proper divisors (349784095879).

165053562012641 is a wasteful number, since it uses less digits than its factorization.

165053562012641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131154835.

The product of its (nonzero) digits is 1296000, while the sum is 47.

The spelling of 165053562012641 in words is "one hundred sixty-five trillion, fifty-three billion, five hundred sixty-two million, twelve thousand, six hundred forty-one".