16551235245 has 16 divisors (see below), whose sum is σ = 26494715520. Its totient is φ = 8823079104.

The previous prime is 16551235243. The next prime is 16551235273. The reversal of 16551235245 is 54253215561.

It is not a de Polignac number, because 16551235245 - 2¹ = 16551235243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16551235243) 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, 233050 + ... + 295659.

It is an arithmetic number, because the mean of its divisors is an integer number (1655919720).

Almost surely, 2^16551235245 is an apocalyptic number.

16551235245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16551235245 is a deficient number, since it is larger than the sum of its proper divisors (9943480275).

16551235245 is a wasteful number, since it uses less digits than its factorization.

16551235245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530804.

The product of its digits is 180000, while the sum is 39.

The spelling of 16551235245 in words is "sixteen billion, five hundred fifty-one million, two hundred thirty-five thousand, two hundred forty-five".