16650506156 has 24 divisors (see below), whose sum is σ = 29468448240. Its totient is φ = 8231311872.

The previous prime is 16650506143. The next prime is 16650506177. The reversal of 16650506156 is 65160505661.

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, 139835 + ... + 229901.

It is an arithmetic number, because the mean of its divisors is an integer number (1227852010).

Almost surely, 2^16650506156 is an apocalyptic number.

It is an amenable number.

16650506156 is a deficient number, since it is larger than the sum of its proper divisors (12817942084).

16650506156 is a wasteful number, since it uses less digits than its factorization.

16650506156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90593 (or 90591 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 41.

The spelling of 16650506156 in words is "sixteen billion, six hundred fifty million, five hundred six thousand, one hundred fifty-six".