16540056044 has 6 divisors (see below), whose sum is σ = 28945098084. Its totient is φ = 8270028020.

The previous prime is 16540056023. The next prime is 16540056059. The reversal of 16540056044 is 44065004561.

It is a junction number, because it is equal to n+sod(n) for n = 16540055995 and 16540056013.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2067507002 + ... + 2067507009.

It is an arithmetic number, because the mean of its divisors is an integer number (4824183014).

Almost surely, 2^16540056044 is an apocalyptic number.

It is an amenable number.

16540056044 is a deficient number, since it is larger than the sum of its proper divisors (12405042040).

16540056044 is a wasteful number, since it uses less digits than its factorization.

16540056044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4135014015 (or 4135014013 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

The spelling of 16540056044 in words is "sixteen billion, five hundred forty million, fifty-six thousand, forty-four".