16304012505851 has 16 divisors (see below), whose sum is σ = 19045816742400. Its totient is φ = 13951060419240.

The previous prime is 16304012505799. The next prime is 16304012505901. The reversal of 16304012505851 is 15850521040361.

It is not a de Polignac number, because 16304012505851 - 2⁶ = 16304012505787 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16304012505799 and 16304012505808.

It is not an unprimeable number, because it can be changed into a prime (16304012501851) 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, 40287215 + ... + 40689896.

It is an arithmetic number, because the mean of its divisors is an integer number (1190363546400).

Almost surely, 2^{16304012505851} is an apocalyptic number.

16304012505851 is a deficient number, since it is larger than the sum of its proper divisors (2741804236549).

16304012505851 is an frugal number, since it uses more digits than its factorization.

16304012505851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80977719 (or 80977705 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 41.

The spelling of 16304012505851 in words is "sixteen trillion, three hundred four billion, twelve million, five hundred five thousand, eight hundred fifty-one".