316677680 has 80 divisors (see below), whose sum is σ = 830973600. Its totient is φ = 111175680.

The previous prime is 316677667. The next prime is 316677707. The reversal of 316677680 is 86776613.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19316 + ... + 31724.

It is an arithmetic number, because the mean of its divisors is an integer number (10387170).

Almost surely, 2^316677680 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 316677680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (415486800).

316677680 is an abundant number, since it is smaller than the sum of its proper divisors (514295920).

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

316677680 is a wasteful number, since it uses less digits than its factorization.

316677680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12462 (or 12456 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 316677680 is about 17795.4398653138. The cubic root of 316677680 is about 681.6150193778.

The spelling of 316677680 in words is "three hundred sixteen million, six hundred seventy-seven thousand, six hundred eighty".