16217929636 has 12 divisors (see below), whose sum is σ = 29875133680. Its totient is φ = 7682177160.

The previous prime is 16217929633. The next prime is 16217929643. The reversal of 16217929636 is 63692971261.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (16217929631) 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, 106696830 + ... + 106696981.

Almost surely, 2^16217929636 is an apocalyptic number.

It is an amenable number.

16217929636 is a deficient number, since it is larger than the sum of its proper divisors (13657204044).

16217929636 is a wasteful number, since it uses less digits than its factorization.

16217929636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213393834 (or 213393832 counting only the distinct ones).

The product of its digits is 1469664, while the sum is 52.

The spelling of 16217929636 in words is "sixteen billion, two hundred seventeen million, nine hundred twenty-nine thousand, six hundred thirty-six".