16252600161321 has 8 divisors (see below), whose sum is σ = 24077926164960. Its totient is φ = 10835066774196.

The previous prime is 16252600161241. The next prime is 16252600161433. The reversal of 16252600161321 is 12316100625261.

16252600161321 is a `hidden beast` number, since 1 + 6 + 2 + 5 + 2 + 600 + 16 + 1 + 32 + 1 = 666.

It is not a de Polignac number, because 16252600161321 - 2¹³ = 16252600153129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16252600169321) 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, 300974077035 + ... + 300974077088.

It is an arithmetic number, because the mean of its divisors is an integer number (3009740770620).

Almost surely, 2^{16252600161321} is an apocalyptic number.

It is an amenable number.

16252600161321 is a deficient number, since it is larger than the sum of its proper divisors (7825326003639).

16252600161321 is an equidigital number, since it uses as much as digits as its factorization.

16252600161321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601948154132 (or 601948154126 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

Adding to 16252600161321 its reverse (12316100625261), we get a palindrome (28568700786582).

The spelling of 16252600161321 in words is "sixteen trillion, two hundred fifty-two billion, six hundred million, one hundred sixty-one thousand, three hundred twenty-one".