16030132021 has 16 divisors (see below), whose sum is σ = 17080020160. Its totient is φ = 15001459200.

The previous prime is 16030132009. The next prime is 16030132039. The reversal of 16030132021 is 12023103061.

It is a cyclic number.

It is not a de Polignac number, because 16030132021 - 2⁷ = 16030131893 is a prime.

It is a super-2 number, since 2×16030132021² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

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 16030132021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16030142021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1000171 + ... + 1016071.

It is an arithmetic number, because the mean of its divisors is an integer number (1067501260).

Almost surely, 2^16030132021 is an apocalyptic number.

It is an amenable number.

16030132021 is a deficient number, since it is larger than the sum of its proper divisors (1049888139).

16030132021 is a wasteful number, since it uses less digits than its factorization.

16030132021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16564.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 16030132021 its reverse (12023103061), we get a palindrome (28053235082).

The spelling of 16030132021 in words is "sixteen billion, thirty million, one hundred thirty-two thousand, twenty-one".