16587337380609 has 8 divisors (see below), whose sum is σ = 22116602833920. Its totient is φ = 11058148423856.

The previous prime is 16587337380577. The next prime is 16587337380611. The reversal of 16587337380609 is 90608373378561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16587337380609 - 2⁵ = 16587337380577 is a prime.

It is a super-2 number, since 2×16587337380609² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16587337380609.

It is not an unprimeable number, because it can be changed into a prime (16587337380209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18616257 + ... + 19486910.

It is an arithmetic number, because the mean of its divisors is an integer number (2764575354240).

Almost surely, 2^{16587337380609} is an apocalyptic number.

It is an amenable number.

16587337380609 is a deficient number, since it is larger than the sum of its proper divisors (5529265453311).

16587337380609 is a wasteful number, since it uses less digits than its factorization.

16587337380609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38248279.

The product of its (nonzero) digits is 137168640, while the sum is 66.

The spelling of 16587337380609 in words is "sixteen trillion, five hundred eighty-seven billion, three hundred thirty-seven million, three hundred eighty thousand, six hundred nine".