1587316016 has 40 divisors (see below), whose sum is σ = 3613091664. Its totient is φ = 666005760.

The previous prime is 1587316009. The next prime is 1587316057. The reversal of 1587316016 is 6106137851.

It is a super-2 number, since 2×1587316016² = 5039144269300224512, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 344591 + ... + 349166.

Almost surely, 2^1587316016 is an apocalyptic number.

1587316016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1587316016 is an abundant number, since it is smaller than the sum of its proper divisors (2025775648).

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

1587316016 is a wasteful number, since it uses less digits than its factorization.

1587316016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693789 (or 693783 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 1587316016 is about 39841.1347227962. The cubic root of 1587316016 is about 1166.5082091549.

The spelling of 1587316016 in words is "one billion, five hundred eighty-seven million, three hundred sixteen thousand, sixteen".