16506146056 has 16 divisors (see below), whose sum is σ = 32769554940. Its totient is φ = 7767598080.

The previous prime is 16506146053. The next prime is 16506146081. The reversal of 16506146056 is 65064160561.

It can be written as a sum of positive squares in 2 ways, for example, as 14827932900 + 1678213156 = 121770^2 + 40966^2 .

It is not an unprimeable number, because it can be changed into a prime (16506146053) 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, 60684225 + ... + 60684496.

Almost surely, 2^16506146056 is an apocalyptic number.

It is an amenable number.

16506146056 is a deficient number, since it is larger than the sum of its proper divisors (16263408884).

16506146056 is a wasteful number, since it uses less digits than its factorization.

16506146056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121368744 (or 121368740 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 16506146056 in words is "sixteen billion, five hundred six million, one hundred forty-six thousand, fifty-six".