1678100680 has 64 divisors (see below), whose sum is σ = 3904588800. Its totient is φ = 648410880.

The previous prime is 1678100663. The next prime is 1678100707. The reversal of 1678100680 is 860018761.

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, 1039554 + ... + 1041166.

It is an arithmetic number, because the mean of its divisors is an integer number (61009200).

Almost surely, 2^1678100680 is an apocalyptic number.

1678100680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1678100680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1952294400).

1678100680 is an abundant number, since it is smaller than the sum of its proper divisors (2226488120).

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

1678100680 is a wasteful number, since it uses less digits than its factorization.

1678100680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2494 (or 2490 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 1678100680 is about 40964.6271800440. The cubic root of 1678100680 is about 1188.3362291668.

The spelling of 1678100680 in words is "one billion, six hundred seventy-eight million, one hundred thousand, six hundred eighty".