16273660587 has 16 divisors (see below), whose sum is σ = 21841965600. Its totient is φ = 10777363200.

The previous prime is 16273660553. The next prime is 16273660631. The reversal of 16273660587 is 78506637261.

It is not a de Polignac number, because 16273660587 - 2¹⁸ = 16273398443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16273660687) 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, 495039 + ... + 526887.

It is an arithmetic number, because the mean of its divisors is an integer number (1365122850).

Almost surely, 2^16273660587 is an apocalyptic number.

16273660587 is a deficient number, since it is larger than the sum of its proper divisors (5568305013).

16273660587 is a wasteful number, since it uses less digits than its factorization.

16273660587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32974.

The product of its (nonzero) digits is 2540160, while the sum is 51.

The spelling of 16273660587 in words is "sixteen billion, two hundred seventy-three million, six hundred sixty thousand, five hundred eighty-seven".