674134625181 has 8 divisors (see below), whose sum is σ = 898851598624. Its totient is φ = 449420367600.

The previous prime is 674134625147. The next prime is 674134625191. The reversal of 674134625181 is 181526431476.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 674134625181 - 2¹³ = 674134616989 is a prime.

It is a super-2 number, since 2×674134625181² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 674134625181.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674134625191) 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, 3895 + ... + 1161156.

It is an arithmetic number, because the mean of its divisors is an integer number (112356449828).

Almost surely, 2^674134625181 is an apocalyptic number.

It is an amenable number.

674134625181 is a deficient number, since it is larger than the sum of its proper divisors (224716973443).

674134625181 is a wasteful number, since it uses less digits than its factorization.

674134625181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1357931.

The product of its digits is 967680, while the sum is 48.

The spelling of 674134625181 in words is "six hundred seventy-four billion, one hundred thirty-four million, six hundred twenty-five thousand, one hundred eighty-one".