16573882551 has 16 divisors (see below), whose sum is σ = 22599504096. Its totient is φ = 10801437696.

The previous prime is 16573882541. The next prime is 16573882583. The reversal of 16573882551 is 15528837561.

It is not a de Polignac number, because 16573882551 - 2¹¹ = 16573880503 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16573882494 and 16573882503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16573882541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 310120 + ... + 359613.

It is an arithmetic number, because the mean of its divisors is an integer number (1412469006).

Almost surely, 2^16573882551 is an apocalyptic number.

16573882551 is a deficient number, since it is larger than the sum of its proper divisors (6025621545).

16573882551 is a wasteful number, since it uses less digits than its factorization.

16573882551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669922.

The product of its digits is 2016000, while the sum is 51.

The spelling of 16573882551 in words is "sixteen billion, five hundred seventy-three million, eight hundred eighty-two thousand, five hundred fifty-one".