165354560655133 has 8 divisors (see below), whose sum is σ = 168882075885600. Its totient is φ = 161863599986928.

The previous prime is 165354560655121. The next prime is 165354560655149. The reversal of 165354560655133 is 331556065453561.

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 165354560655133 - 2¹⁷ = 165354560524061 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 (165354560650133) 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, 9138631423 + ... + 9138649516.

It is an arithmetic number, because the mean of its divisors is an integer number (21110259485700).

Almost surely, 2^{165354560655133} is an apocalyptic number.

It is an amenable number.

165354560655133 is a deficient number, since it is larger than the sum of its proper divisors (3527515230467).

165354560655133 is a wasteful number, since it uses less digits than its factorization.

165354560655133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18277281131.

The product of its (nonzero) digits is 72900000, while the sum is 58.

The spelling of 165354560655133 in words is "one hundred sixty-five trillion, three hundred fifty-four billion, five hundred sixty million, six hundred fifty-five thousand, one hundred thirty-three".