165554230623463 has 16 divisors (see below), whose sum is σ = 185487530635296. Its totient is φ = 146434824829440.

The previous prime is 165554230623443. The next prime is 165554230623473. The reversal of 165554230623463 is 364326032455561.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-165554230623463 is a prime.

It is a super-2 number, since 2×165554230623463² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165554230623443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43697395 + ... + 47334667.

It is an arithmetic number, because the mean of its divisors is an integer number (11592970664706).

Almost surely, 2^{165554230623463} is an apocalyptic number.

165554230623463 is a deficient number, since it is larger than the sum of its proper divisors (19933300011833).

165554230623463 is a wasteful number, since it uses less digits than its factorization.

165554230623463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3749154.

The product of its (nonzero) digits is 46656000, while the sum is 55.

The spelling of 165554230623463 in words is "one hundred sixty-five trillion, five hundred fifty-four billion, two hundred thirty million, six hundred twenty-three thousand, four hundred sixty-three".