16420048229 has 8 divisors (see below), whose sum is σ = 17688292440. Its totient is φ = 15152541696.

The previous prime is 16420048223. The next prime is 16420048237. The reversal of 16420048229 is 92284002461.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 216031204 + 16204017025 = 14698^2 + 127295^2 .

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-16420048229 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 16420048192 and 16420048201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16420048223) 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, 137744 + ... + 227625.

It is an arithmetic number, because the mean of its divisors is an integer number (2211036555).

Almost surely, 2^16420048229 is an apocalyptic number.

It is an amenable number.

16420048229 is a deficient number, since it is larger than the sum of its proper divisors (1268244211).

16420048229 is a wasteful number, since it uses less digits than its factorization.

16420048229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368839.

The product of its (nonzero) digits is 55296, while the sum is 38.

The spelling of 16420048229 in words is "sixteen billion, four hundred twenty million, forty-eight thousand, two hundred twenty-nine".