674781480163 has 4 divisors (see below), whose sum is σ = 771178834480. Its totient is φ = 578384125848.

The previous prime is 674781480073. The next prime is 674781480229. The reversal of 674781480163 is 361084187476.

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

It is a cyclic number.

It is not a de Polignac number, because 674781480163 - 2¹⁷ = 674781349091 is a prime.

It is a super-3 number, since 3×674781480163³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (674781486163) 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, 48198677148 + ... + 48198677161.

It is an arithmetic number, because the mean of its divisors is an integer number (192794708620).

Almost surely, 2^674781480163 is an apocalyptic number.

674781480163 is a deficient number, since it is larger than the sum of its proper divisors (96397354317).

674781480163 is an equidigital number, since it uses as much as digits as its factorization.

674781480163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96397354316.

The product of its (nonzero) digits is 5419008, while the sum is 55.

The spelling of 674781480163 in words is "six hundred seventy-four billion, seven hundred eighty-one million, four hundred eighty thousand, one hundred sixty-three".