16652221929 has 12 divisors (see below), whose sum is σ = 27489382336. Its totient is φ = 9515555352.

The previous prime is 16652221909. The next prime is 16652221933. The reversal of 16652221929 is 92912225661.

16652221929 is a `hidden beast` number, since 16 + 6 + 522 + 21 + 92 + 9 = 666.

It is not a de Polignac number, because 16652221929 - 2⁵ = 16652221897 is a prime.

It is a super-3 number, since 3×16652221929³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16652221909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 132160429 + ... + 132160554.

Almost surely, 2^16652221929 is an apocalyptic number.

It is an amenable number.

16652221929 is a deficient number, since it is larger than the sum of its proper divisors (10837160407).

16652221929 is a wasteful number, since it uses less digits than its factorization.

16652221929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264320996 (or 264320993 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The spelling of 16652221929 in words is "sixteen billion, six hundred fifty-two million, two hundred twenty-one thousand, nine hundred twenty-nine".