16500561006 has 16 divisors (see below), whose sum is σ = 33004018944. Its totient is φ = 5499704184.

The previous prime is 16500560953. The next prime is 16500561023. The reversal of 16500561006 is 60016500561.

It is a congruent number.

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, 42790 + ... + 186633.

It is an arithmetic number, because the mean of its divisors is an integer number (2062751184).

Almost surely, 2^16500561006 is an apocalyptic number.

16500561006 is an abundant number, since it is smaller than the sum of its proper divisors (16503457938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16500561006 is a wasteful number, since it uses less digits than its factorization.

16500561006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241415.

The product of its (nonzero) digits is 5400, while the sum is 30.

The spelling of 16500561006 in words is "sixteen billion, five hundred million, five hundred sixty-one thousand, six".