16717290264487 has 4 divisors (see below), whose sum is σ = 16717468256856. Its totient is φ = 16717112272120.

The previous prime is 16717290264463. The next prime is 16717290264523. The reversal of 16717290264487 is 78446209271761.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16717290264487 is a prime.

It is a super-2 number, since 2×16717290264487² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16717290264457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88855228 + ... + 89043169.

It is an arithmetic number, because the mean of its divisors is an integer number (4179367064214).

Almost surely, 2^{16717290264487} is an apocalyptic number.

16717290264487 is a deficient number, since it is larger than the sum of its proper divisors (177992369).

16717290264487 is an equidigital number, since it uses as much as digits as its factorization.

16717290264487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177992368.

The product of its (nonzero) digits is 56899584, while the sum is 64.

The spelling of 16717290264487 in words is "sixteen trillion, seven hundred seventeen billion, two hundred ninety million, two hundred sixty-four thousand, four hundred eighty-seven".