8016201321 has 16 divisors (see below), whose sum is σ = 11018339520. Its totient is φ = 5181580800.

The previous prime is 8016201313. The next prime is 8016201329. The reversal of 8016201321 is 1231026108.

It is an interprime number because it is at equal distance from previous prime (8016201313) and next prime (8016201329).

It is not a de Polignac number, because 8016201321 - 2³ = 8016201313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8016201291 and 8016201300.

It is not an unprimeable number, because it can be changed into a prime (8016201329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 297280 + ... + 323121.

It is an arithmetic number, because the mean of its divisors is an integer number (688646220).

Almost surely, 2^8016201321 is an apocalyptic number.

It is an amenable number.

8016201321 is a deficient number, since it is larger than the sum of its proper divisors (3002138199).

8016201321 is a wasteful number, since it uses less digits than its factorization.

8016201321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620536.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 8016201321 is about 89533.2414302085. The cubic root of 8016201321 is about 2001.3491997087.

Adding to 8016201321 its reverse (1231026108), we get a palindrome (9247227429).

The spelling of 8016201321 in words is "eight billion, sixteen million, two hundred one thousand, three hundred twenty-one".