674413165 has 4 divisors (see below), whose sum is σ = 809295804. Its totient is φ = 539530528.

The previous prime is 674413163. The next prime is 674413177. The reversal of 674413165 is 561314476.

674413165 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 103489929 + 570923236 = 10173^2 + 23894^2 .

It is a cyclic number.

It is not a de Polignac number, because 674413165 - 2¹ = 674413163 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674413163) 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, 67441312 + ... + 67441321.

It is an arithmetic number, because the mean of its divisors is an integer number (202323951).

Almost surely, 2^674413165 is an apocalyptic number.

It is an amenable number.

674413165 is a deficient number, since it is larger than the sum of its proper divisors (134882639).

674413165 is a wasteful number, since it uses less digits than its factorization.

674413165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134882638.

The product of its digits is 60480, while the sum is 37.

The square root of 674413165 is about 25969.4660129930. The cubic root of 674413165 is about 876.9510379892.

The spelling of 674413165 in words is "six hundred seventy-four million, four hundred thirteen thousand, one hundred sixty-five".