16308807622381 has 4 divisors (see below), whose sum is σ = 16308815703264. Its totient is φ = 16308799541500.

The previous prime is 16308807622379. The next prime is 16308807622409. The reversal of 16308807622381 is 18322670880361.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 16308807622381 - 2¹ = 16308807622379 is a prime.

It is a super-2 number, since 2×16308807622381² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16308807622301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1828386 + ... + 5996716.

It is an arithmetic number, because the mean of its divisors is an integer number (4077203925816).

Almost surely, 2^{16308807622381} is an apocalyptic number.

It is an amenable number.

16308807622381 is a deficient number, since it is larger than the sum of its proper divisors (8080883).

16308807622381 is an equidigital number, since it uses as much as digits as its factorization.

16308807622381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8080882.

The product of its (nonzero) digits is 4644864, while the sum is 55.

The spelling of 16308807622381 in words is "sixteen trillion, three hundred eight billion, eight hundred seven million, six hundred twenty-two thousand, three hundred eighty-one".