16117872929 has 4 divisors (see below), whose sum is σ = 16118207280. Its totient is φ = 16117538580.

The previous prime is 16117872917. The next prime is 16117872937. The reversal of 16117872929 is 92927871161.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16117872929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16117878929) 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, 79559 + ... + 196380.

It is an arithmetic number, because the mean of its divisors is an integer number (4029551820).

Almost surely, 2^16117872929 is an apocalyptic number.

It is an amenable number.

16117872929 is a deficient number, since it is larger than the sum of its proper divisors (334351).

16117872929 is an equidigital number, since it uses as much as digits as its factorization.

16117872929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334350.

The product of its digits is 762048, while the sum is 53.

The spelling of 16117872929 in words is "sixteen billion, one hundred seventeen million, eight hundred seventy-two thousand, nine hundred twenty-nine".