1968730066580 has 48 divisors (see below), whose sum is σ = 4145160096000. Its totient is φ = 785430844800.

The previous prime is 1968730066573. The next prime is 1968730066649. The reversal of 1968730066580 is 856600378691.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30491171 + ... + 30555669.

It is an arithmetic number, because the mean of its divisors is an integer number (86357502000).

Almost surely, 2^{1968730066580} is an apocalyptic number.

1968730066580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1968730066580 is an abundant number, since it is smaller than the sum of its proper divisors (2176430029420).

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

1968730066580 is a wasteful number, since it uses less digits than its factorization.

1968730066580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68480 (or 68478 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 59.

The spelling of 1968730066580 in words is "one trillion, nine hundred sixty-eight billion, seven hundred thirty million, sixty-six thousand, five hundred eighty".