673703165156 has 96 divisors (see below), whose sum is σ = 1459811512320. Its totient is φ = 265595500800.

The previous prime is 673703165129. The next prime is 673703165203. The reversal of 673703165156 is 651561307376.

It is a super-3 number, since 3×673703165156³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4529141 + ... + 4675523.

It is an arithmetic number, because the mean of its divisors is an integer number (15206369920).

Almost surely, 2^673703165156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 673703165156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (729905756160).

673703165156 is an abundant number, since it is smaller than the sum of its proper divisors (786108347164).

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

673703165156 is a wasteful number, since it uses less digits than its factorization.

673703165156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146665 (or 146663 counting only the distinct ones).

The product of its (nonzero) digits is 2381400, while the sum is 50.

The spelling of 673703165156 in words is "six hundred seventy-three billion, seven hundred three million, one hundred sixty-five thousand, one hundred fifty-six".