16629705449 has 8 divisors (see below), whose sum is σ = 19193550528. Its totient is φ = 14112903600.

The previous prime is 16629705419. The next prime is 16629705481. The reversal of 16629705449 is 94450792661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16629705449 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16629705449.

It is not an unprimeable number, because it can be changed into a prime (16629705409) 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, 11760047 + ... + 11761460.

It is an arithmetic number, because the mean of its divisors is an integer number (2399193816).

Almost surely, 2^16629705449 is an apocalyptic number.

It is an amenable number.

16629705449 is a deficient number, since it is larger than the sum of its proper divisors (2563845079).

16629705449 is a wasteful number, since it uses less digits than its factorization.

16629705449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23521615.

The product of its (nonzero) digits is 3265920, while the sum is 53.

The spelling of 16629705449 in words is "sixteen billion, six hundred twenty-nine million, seven hundred five thousand, four hundred forty-nine".