1587631066 has 32 divisors (see below), whose sum is σ = 2780870400. Its totient is φ = 679513968.

The previous prime is 1587631061. The next prime is 1587631093. The reversal of 1587631066 is 6601367851.

It is not an unprimeable number, because it can be changed into a prime (1587631061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 936916 + ... + 938608.

It is an arithmetic number, because the mean of its divisors is an integer number (86902200).

Almost surely, 2^1587631066 is an apocalyptic number.

1587631066 is a deficient number, since it is larger than the sum of its proper divisors (1193239334).

1587631066 is a wasteful number, since it uses less digits than its factorization.

1587631066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3083 (or 3069 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 1587631066 is about 39845.0883547772. The cubic root of 1587631066 is about 1166.5853801143.

The spelling of 1587631066 in words is "one billion, five hundred eighty-seven million, six hundred thirty-one thousand, sixty-six".