16533510436 has 12 divisors (see below), whose sum is σ = 28935599728. Its totient is φ = 8266196232.

The previous prime is 16533510407. The next prime is 16533510523. The reversal of 16533510436 is 63401533561.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 16533510395 and 16533510404.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69246 + ... + 194581.

Almost surely, 2^16533510436 is an apocalyptic number.

It is an amenable number.

16533510436 is a deficient number, since it is larger than the sum of its proper divisors (12402089292).

16533510436 is a wasteful number, since it uses less digits than its factorization.

16533510436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279498 (or 279496 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 37.

The spelling of 16533510436 in words is "sixteen billion, five hundred thirty-three million, five hundred ten thousand, four hundred thirty-six".