16650229508 has 24 divisors (see below), whose sum is σ = 31810169664. Its totient is φ = 7562722400.

The previous prime is 16650229501. The next prime is 16650229537. The reversal of 16650229508 is 80592205661.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (16650229501) 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, 78263 + ... + 198558.

It is an arithmetic number, because the mean of its divisors is an integer number (1325423736).

Almost surely, 2^16650229508 is an apocalyptic number.

It is an amenable number.

16650229508 is a deficient number, since it is larger than the sum of its proper divisors (15159940156).

16650229508 is a wasteful number, since it uses less digits than its factorization.

16650229508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278203 (or 278201 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 44.

The spelling of 16650229508 in words is "sixteen billion, six hundred fifty million, two hundred twenty-nine thousand, five hundred eight".