6516116655653 has 8 divisors (see below), whose sum is σ = 7417555718976. Its totient is φ = 5666188396000.

The previous prime is 6516116655647. The next prime is 6516116655661. The reversal of 6516116655653 is 3565566116156.

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

It is not a de Polignac number, because 6516116655653 - 2¹⁴ = 6516116639269 is a prime.

It is a super-3 number, since 3×6516116655653³ (a number of 39 digits) contains 333 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 (6516116654653) 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, 12877700648 + ... + 12877701153.

It is an arithmetic number, because the mean of its divisors is an integer number (927194464872).

Almost surely, 2^{6516116655653} is an apocalyptic number.

It is an amenable number.

6516116655653 is a deficient number, since it is larger than the sum of its proper divisors (901439063323).

6516116655653 is a wasteful number, since it uses less digits than its factorization.

6516116655653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25755401835.

The product of its digits is 14580000, while the sum is 56.

The spelling of 6516116655653 in words is "six trillion, five hundred sixteen billion, one hundred sixteen million, six hundred fifty-five thousand, six hundred fifty-three".