16923855547 has 8 divisors (see below), whose sum is σ = 17123836752. Its totient is φ = 16724947200.

The previous prime is 16923855539. The next prime is 16923855577. The reversal of 16923855547 is 74555832961.

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 16923855547 - 2³ = 16923855539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16923855577) 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, 236458 + ... + 299599.

It is an arithmetic number, because the mean of its divisors is an integer number (2140479594).

Almost surely, 2^16923855547 is an apocalyptic number.

16923855547 is a deficient number, since it is larger than the sum of its proper divisors (199981205).

16923855547 is a wasteful number, since it uses less digits than its factorization.

16923855547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536429.

The product of its digits is 9072000, while the sum is 55.

It can be divided in two parts, 169238 and 55547, that added together give a triangular number (224785 = T₆₇₀).

The spelling of 16923855547 in words is "sixteen billion, nine hundred twenty-three million, eight hundred fifty-five thousand, five hundred forty-seven".