16821238035 has 64 divisors (see below), whose sum is σ = 31803264000. Its totient is φ = 7431409152.

The previous prime is 16821238003. The next prime is 16821238043. The reversal of 16821238035 is 53083212861.

It is not a de Polignac number, because 16821238035 - 2⁵ = 16821238003 is a prime.

It is a super-2 number, since 2×16821238035² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16821237984 and 16821238002.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 564336 + ... + 593394.

It is an arithmetic number, because the mean of its divisors is an integer number (496926000).

Almost surely, 2^16821238035 is an apocalyptic number.

16821238035 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16821238035 is a deficient number, since it is larger than the sum of its proper divisors (14982025965).

16821238035 is a wasteful number, since it uses less digits than its factorization.

16821238035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29260.

The product of its (nonzero) digits is 69120, while the sum is 39.

The spelling of 16821238035 in words is "sixteen billion, eight hundred twenty-one million, two hundred thirty-eight thousand, thirty-five".