674319161 has 16 divisors (see below), whose sum is σ = 738362880. Its totient is φ = 613059840.

The previous prime is 674319157. The next prime is 674319187. The reversal of 674319161 is 161913476.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 674319161 - 2² = 674319157 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (674319361) 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 15 ways as a sum of consecutive naturals, for example, 461450 + ... + 462908.

It is an arithmetic number, because the mean of its divisors is an integer number (46147680).

Almost surely, 2^674319161 is an apocalyptic number.

It is an amenable number.

674319161 is a deficient number, since it is larger than the sum of its proper divisors (64043719).

674319161 is a wasteful number, since it uses less digits than its factorization.

674319161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2384.

The product of its digits is 27216, while the sum is 38.

The square root of 674319161 is about 25967.6560551776. The cubic root of 674319161 is about 876.9102910900.

The spelling of 674319161 in words is "six hundred seventy-four million, three hundred nineteen thousand, one hundred sixty-one".