165574344044 has 12 divisors (see below), whose sum is σ = 289842903168. Its totient is φ = 82762086000.

The previous prime is 165574344043. The next prime is 165574344073. The reversal of 165574344044 is 440443475561.

It is a self number, because there is not a number n which added to its sum of digits gives 165574344044.

It is not an unprimeable number, because it can be changed into a prime (165574344043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6256652 + ... + 6283059.

It is an arithmetic number, because the mean of its divisors is an integer number (24153575264).

Almost surely, 2^165574344044 is an apocalyptic number.

It is an amenable number.

165574344044 is a deficient number, since it is larger than the sum of its proper divisors (124268559124).

165574344044 is a wasteful number, since it uses less digits than its factorization.

165574344044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12543016 (or 12543014 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 47.

The spelling of 165574344044 in words is "one hundred sixty-five billion, five hundred seventy-four million, three hundred forty-four thousand, forty-four".