674043165 has 24 divisors (see below), whose sum is σ = 1169029368. Its totient is φ = 359278080.

The previous prime is 674043101. The next prime is 674043169. The reversal of 674043165 is 561340476.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 191933316 + 482109849 = 13854^2 + 21957^2 .

It is not a de Polignac number, because 674043165 - 2⁶ = 674043101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674043169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 100105 + ... + 106625.

It is an arithmetic number, because the mean of its divisors is an integer number (48709557).

Almost surely, 2^674043165 is an apocalyptic number.

It is an amenable number.

674043165 is a deficient number, since it is larger than the sum of its proper divisors (494986203).

674043165 is a wasteful number, since it uses less digits than its factorization.

674043165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8829 (or 8826 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 674043165 is about 25962.3412850228. The cubic root of 674043165 is about 876.7906361976.

The spelling of 674043165 in words is "six hundred seventy-four million, forty-three thousand, one hundred sixty-five".