1580783372868 has 48 divisors (see below), whose sum is σ = 4351403700224. Its totient is φ = 437082959520.

The previous prime is 1580783372867. The next prime is 1580783372873. The reversal of 1580783372868 is 8682733870851.

It is a junction number, because it is equal to n+sod(n) for n = 1580783372799 and 1580783372808.

It is not an unprimeable number, because it can be changed into a prime (1580783372867) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 303527230 + ... + 303532437.

Almost surely, 2^{1580783372868} is an apocalyptic number.

It is an amenable number.

1580783372868 is an abundant number, since it is smaller than the sum of its proper divisors (2770620327356).

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

1580783372868 is a wasteful number, since it uses less digits than its factorization.

1580783372868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607059712 (or 607059710 counting only the distinct ones).

The product of its (nonzero) digits is 108380160, while the sum is 66.

The spelling of 1580783372868 in words is "one trillion, five hundred eighty billion, seven hundred eighty-three million, three hundred seventy-two thousand, eight hundred sixty-eight".