165463473351663 has 12 divisors (see below), whose sum is σ = 239932766809008. Its totient is φ = 109879764403200.

The previous prime is 165463473351623. The next prime is 165463473351677. The reversal of 165463473351663 is 366153374364561.

It is a happy number.

165463473351663 is a `hidden beast` number, since 1 + 6 + 5 + 4 + 63 + 473 + 35 + 16 + 63 = 666.

It is not a de Polignac number, because 165463473351663 - 2³⁶ = 165394753874927 is a prime.

It is a super-2 number, since 2×165463473351663² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 165463473351663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165463473351623) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35768150163 + ... + 35768154788.

It is an arithmetic number, because the mean of its divisors is an integer number (19994397234084).

Almost surely, 2^{165463473351663} is an apocalyptic number.

165463473351663 is a deficient number, since it is larger than the sum of its proper divisors (74469293457345).

165463473351663 is a wasteful number, since it uses less digits than its factorization.

165463473351663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71536305214 (or 71536305211 counting only the distinct ones).

The product of its digits is 293932800, while the sum is 63.

The spelling of 165463473351663 in words is "one hundred sixty-five trillion, four hundred sixty-three billion, four hundred seventy-three million, three hundred fifty-one thousand, six hundred sixty-three".