16536047044 has 24 divisors (see below), whose sum is σ = 31575626208. Its totient is φ = 7514763840.

The previous prime is 16536047027. The next prime is 16536047119. The reversal of 16536047044 is 44074063561.

It is a super-2 number, since 2×16536047044² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16536046988 and 16536047006.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179167 + ... + 255289.

It is an arithmetic number, because the mean of its divisors is an integer number (1315651092).

Almost surely, 2^16536047044 is an apocalyptic number.

It is an amenable number.

16536047044 is a deficient number, since it is larger than the sum of its proper divisors (15039579164).

16536047044 is a wasteful number, since it uses less digits than its factorization.

16536047044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81075 (or 81073 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 40.

The spelling of 16536047044 in words is "sixteen billion, five hundred thirty-six million, forty-seven thousand, forty-four".