16043206636 has 12 divisors (see below), whose sum is σ = 28605340512. Its totient is φ = 7870252208.

The previous prime is 16043206601. The next prime is 16043206637. The reversal of 16043206636 is 63660234061.

It is a junction number, because it is equal to n+sod(n) for n = 16043206595 and 16043206604.

It is not an unprimeable number, because it can be changed into a prime (16043206637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37837540 + ... + 37837963.

It is an arithmetic number, because the mean of its divisors is an integer number (2383778376).

Almost surely, 2^16043206636 is an apocalyptic number.

It is an amenable number.

16043206636 is a deficient number, since it is larger than the sum of its proper divisors (12562133876).

16043206636 is a wasteful number, since it uses less digits than its factorization.

16043206636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75675560 (or 75675558 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 37.

The spelling of 16043206636 in words is "sixteen billion, forty-three million, two hundred six thousand, six hundred thirty-six".