1580776378416 has 60 divisors (see below), whose sum is σ = 4426098957072. Its totient is φ = 526672879488.

The previous prime is 1580776378403. The next prime is 1580776378427. The reversal of 1580776378416 is 6148736770851.

1580776378416 is a `hidden beast` number, since 1 + 5 + 80 + 7 + 76 + 3 + 78 + 416 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2329471 + ... + 2930526.

Almost surely, 2^{1580776378416} is an apocalyptic number.

1580776378416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1580776378416 is an abundant number, since it is smaller than the sum of its proper divisors (2845322578656).

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

1580776378416 is a wasteful number, since it uses less digits than its factorization.

1580776378416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5262098 (or 5262089 counting only the distinct ones).

The product of its (nonzero) digits is 47416320, while the sum is 63.

The spelling of 1580776378416 in words is "one trillion, five hundred eighty billion, seven hundred seventy-six million, three hundred seventy-eight thousand, four hundred sixteen".