16815416970044 has 24 divisors (see below), whose sum is σ = 36688182480768. Its totient is φ = 6551461157040.

The previous prime is 16815416970041. The next prime is 16815416970049. The reversal of 16815416970044 is 44007961451861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16815416970041) 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 7 ways as a sum of consecutive naturals, for example, 27297754514 + ... + 27297755129.

It is an arithmetic number, because the mean of its divisors is an integer number (1528674270032).

Almost surely, 2^{16815416970044} is an apocalyptic number.

16815416970044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

16815416970044 is an abundant number, since it is smaller than the sum of its proper divisors (19872765510724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16815416970044 is a wasteful number, since it uses less digits than its factorization.

16815416970044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54595509665 (or 54595509663 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 56.

The spelling of 16815416970044 in words is "sixteen trillion, eight hundred fifteen billion, four hundred sixteen million, nine hundred seventy thousand, forty-four".