16511314453613 has 8 divisors (see below), whose sum is σ = 19980077994432. Its totient is φ = 13320051996096.

The previous prime is 16511314453567. The next prime is 16511314453637. The reversal of 16511314453613 is 31635441311561.

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 16511314453613 - 2²⁴ = 16511297676397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16511314453813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69375270695 + ... + 69375270932.

It is an arithmetic number, because the mean of its divisors is an integer number (2497509749304).

Almost surely, 2^{16511314453613} is an apocalyptic number.

It is an amenable number.

16511314453613 is a deficient number, since it is larger than the sum of its proper divisors (3468763540819).

16511314453613 is a wasteful number, since it uses less digits than its factorization.

16511314453613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138750541651.

The product of its digits is 388800, while the sum is 44.

The spelling of 16511314453613 in words is "sixteen trillion, five hundred eleven billion, three hundred fourteen million, four hundred fifty-three thousand, six hundred thirteen".