16551235005 has 8 divisors (see below), whose sum is σ = 26481976032. Its totient is φ = 8827325328.

The previous prime is 16551234983. The next prime is 16551235007. The reversal of 16551235005 is 50053215561.

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

It is not a de Polignac number, because 16551235005 - 2¹⁸ = 16550972861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16551235007) 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, 551707819 + ... + 551707848.

It is an arithmetic number, because the mean of its divisors is an integer number (3310247004).

Almost surely, 2^16551235005 is an apocalyptic number.

16551235005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16551235005 is a deficient number, since it is larger than the sum of its proper divisors (9930741027).

16551235005 is a wasteful number, since it uses less digits than its factorization.

16551235005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1103415675.

The product of its (nonzero) digits is 22500, while the sum is 33.

The spelling of 16551235005 in words is "sixteen billion, five hundred fifty-one million, two hundred thirty-five thousand, five".