2006264371587 has 16 divisors (see below), whose sum is σ = 3062268556800. Its totient is φ = 1144522858752.

The previous prime is 2006264371543. The next prime is 2006264371633. The reversal of 2006264371587 is 7851734626002.

It is a happy number.

It is not a de Polignac number, because 2006264371587 - 2²⁰ = 2006263323011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2006264371087) 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, 79733998 + ... + 79759155.

It is an arithmetic number, because the mean of its divisors is an integer number (191391784800).

Almost surely, 2^{2006264371587} is an apocalyptic number.

2006264371587 is a deficient number, since it is larger than the sum of its proper divisors (1056004185213).

2006264371587 is a wasteful number, since it uses less digits than its factorization.

2006264371587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159493762.

The product of its (nonzero) digits is 3386880, while the sum is 51.

Adding to 2006264371587 its reverse (7851734626002), we get a palindrome (9857998997589).

The spelling of 2006264371587 in words is "two trillion, six billion, two hundred sixty-four million, three hundred seventy-one thousand, five hundred eighty-seven".