165154430655023 has 8 divisors (see below), whose sum is σ = 176600777335920. Its totient is φ = 153900459548800.

The previous prime is 165154430654999. The next prime is 165154430655043. The reversal of 165154430655023 is 320556034451561.

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 165154430655023 - 2⁴² = 160756384143919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165154430655043) 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, 48093891893 + ... + 48093895326.

It is an arithmetic number, because the mean of its divisors is an integer number (22075097166990).

Almost surely, 2^{165154430655023} is an apocalyptic number.

165154430655023 is a deficient number, since it is larger than the sum of its proper divisors (11446346680897).

165154430655023 is a wasteful number, since it uses less digits than its factorization.

165154430655023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96187787337.

The product of its (nonzero) digits is 6480000, while the sum is 50.

The spelling of 165154430655023 in words is "one hundred sixty-five trillion, one hundred fifty-four billion, four hundred thirty million, six hundred fifty-five thousand, twenty-three".