16245782473815 has 48 divisors (see below), whose sum is σ = 28961678000736. Its totient is φ = 8418217248000.

The previous prime is 16245782473801. The next prime is 16245782473819. The reversal of 16245782473815 is 51837428754261.

16245782473815 is a `hidden beast` number, since 1 + 6 + 2 + 4 + 5 + 7 + 8 + 247 + 381 + 5 = 666.

It is not a de Polignac number, because 16245782473815 - 2⁴ = 16245782473799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16245782473819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5792341 + ... + 8126670.

It is an arithmetic number, because the mean of its divisors is an integer number (603368291682).

Almost surely, 2^{16245782473815} is an apocalyptic number.

16245782473815 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16245782473815 is a deficient number, since it is larger than the sum of its proper divisors (12715895526921).

16245782473815 is a wasteful number, since it uses less digits than its factorization.

16245782473815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13919760 (or 13919757 counting only the distinct ones).

The product of its digits is 90316800, while the sum is 63.

The spelling of 16245782473815 in words is "sixteen trillion, two hundred forty-five billion, seven hundred eighty-two million, four hundred seventy-three thousand, eight hundred fifteen".