16500605011 has 8 divisors (see below), whose sum is σ = 18581326848. Its totient is φ = 14516661000.

The previous prime is 16500604999. The next prime is 16500605083. The reversal of 16500605011 is 11050600561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16500605011 - 2⁵ = 16500604979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16500605111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24194095 + ... + 24194776.

It is an arithmetic number, because the mean of its divisors is an integer number (2322665856).

Almost surely, 2^16500605011 is an apocalyptic number.

16500605011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

16500605011 is a deficient number, since it is larger than the sum of its proper divisors (2080721837).

16500605011 is a wasteful number, since it uses less digits than its factorization.

16500605011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48388913.

The product of its (nonzero) digits is 900, while the sum is 25.

The spelling of 16500605011 in words is "sixteen billion, five hundred million, six hundred five thousand, eleven".