1678057503860 has 24 divisors (see below), whose sum is σ = 3525170937120. Its totient is φ = 670984872224.

The previous prime is 1678057503817. The next prime is 1678057503869. The reversal of 1678057503860 is 683057508761.

It is a junction number, because it is equal to n+sod(n) for n = 1678057503796 and 1678057503805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1678057503869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14825294 + ... + 14938053.

It is an arithmetic number, because the mean of its divisors is an integer number (146882122380).

Almost surely, 2^{1678057503860} is an apocalyptic number.

1678057503860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1678057503860 is an abundant number, since it is smaller than the sum of its proper divisors (1847113433260).

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

1678057503860 is a wasteful number, since it uses less digits than its factorization.

1678057503860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29766175 (or 29766173 counting only the distinct ones).

The product of its (nonzero) digits is 8467200, while the sum is 56.

The spelling of 1678057503860 in words is "one trillion, six hundred seventy-eight billion, fifty-seven million, five hundred three thousand, eight hundred sixty".