16118254617 has 8 divisors (see below), whose sum is σ = 22425397824. Its totient is φ = 10278307248.

The previous prime is 16118254609. The next prime is 16118254631. The reversal of 16118254617 is 71645281161.

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

It is not a de Polignac number, because 16118254617 - 2³ = 16118254609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16118254417) 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, 116798878 + ... + 116799015.

It is an arithmetic number, because the mean of its divisors is an integer number (2803174728).

Almost surely, 2^16118254617 is an apocalyptic number.

It is an amenable number.

16118254617 is a deficient number, since it is larger than the sum of its proper divisors (6307143207).

16118254617 is a wasteful number, since it uses less digits than its factorization.

16118254617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233597919.

The product of its digits is 80640, while the sum is 42.

The spelling of 16118254617 in words is "sixteen billion, one hundred eighteen million, two hundred fifty-four thousand, six hundred seventeen".