16551124477 has 8 divisors (see below), whose sum is σ = 16638523200. Its totient is φ = 16463866080.

The previous prime is 16551124463. The next prime is 16551124481. The reversal of 16551124477 is 77442115561.

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 16551124477 - 2⁷ = 16551124349 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 (16551125477) 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, 205774 + ... + 274672.

It is an arithmetic number, because the mean of its divisors is an integer number (2079815400).

Almost surely, 2^16551124477 is an apocalyptic number.

It is an amenable number.

16551124477 is a deficient number, since it is larger than the sum of its proper divisors (87398723).

16551124477 is a wasteful number, since it uses less digits than its factorization.

16551124477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70163.

The product of its digits is 235200, while the sum is 43.

The spelling of 16551124477 in words is "sixteen billion, five hundred fifty-one million, one hundred twenty-four thousand, four hundred seventy-seven".