674342116650 has 192 divisors, whose sum is σ = 1957714876800. Its totient is φ = 170209589760.

The previous prime is 674342116633. The next prime is 674342116691. The reversal of 674342116650 is 56611243476.

674342116650 is a `hidden beast` number, since 6 + 7 + 434 + 2 + 1 + 166 + 50 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 674342116596 and 674342116605.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 30589432 + ... + 30611468.

It is an arithmetic number, because the mean of its divisors is an integer number (10196431650).

Almost surely, 2^674342116650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 674342116650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (978857438400).

674342116650 is an abundant number, since it is smaller than the sum of its proper divisors (1283372760150).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

674342116650 is a wasteful number, since it uses less digits than its factorization.

674342116650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23270 (or 23259 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The spelling of 674342116650 in words is "six hundred seventy-four billion, three hundred forty-two million, one hundred sixteen thousand, six hundred fifty".