165544745466 has 16 divisors (see below), whose sum is σ = 331167026304. Its totient is φ = 55168659264.

The previous prime is 165544745461. The next prime is 165544745473. The reversal of 165544745466 is 664547445561.

It is not an unprimeable number, because it can be changed into a prime (165544745461) 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, 3202866 + ... + 3254141.

It is an arithmetic number, because the mean of its divisors is an integer number (20697939144).

Almost surely, 2^165544745466 is an apocalyptic number.

165544745466 is an abundant number, since it is smaller than the sum of its proper divisors (165622280838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

165544745466 is a wasteful number, since it uses less digits than its factorization.

165544745466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6461285.

The product of its digits is 48384000, while the sum is 57.

The spelling of 165544745466 in words is "one hundred sixty-five billion, five hundred forty-four million, seven hundred forty-five thousand, four hundred sixty-six".