16616046533 has 4 divisors (see below), whose sum is σ = 16628760960. Its totient is φ = 16603332108.

The previous prime is 16616046523. The next prime is 16616046583. The reversal of 16616046533 is 33564061661.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33564061661 = 13 ⋅2581850897.

It is a cyclic number.

It is not a de Polignac number, because 16616046533 - 2¹⁴ = 16616030149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16616046523) 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, 6355253 + ... + 6357866.

It is an arithmetic number, because the mean of its divisors is an integer number (4157190240).

Almost surely, 2^16616046533 is an apocalyptic number.

It is an amenable number.

16616046533 is a deficient number, since it is larger than the sum of its proper divisors (12714427).

16616046533 is a wasteful number, since it uses less digits than its factorization.

16616046533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12714426.

The product of its (nonzero) digits is 233280, while the sum is 41.

The spelling of 16616046533 in words is "sixteen billion, six hundred sixteen million, forty-six thousand, five hundred thirty-three".