16426665360531 has 24 divisors (see below), whose sum is σ = 25011301262640. Its totient is φ = 10655134263936.

The previous prime is 16426665360517. The next prime is 16426665360593. The reversal of 16426665360531 is 13506356662461.

It is not a de Polignac number, because 16426665360531 - 2⁷ = 16426665360403 is a prime.

It is a super-2 number, since 2×16426665360531² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16426665360631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 222167206 + ... + 222241131.

It is an arithmetic number, because the mean of its divisors is an integer number (1042137552610).

Almost surely, 2^{16426665360531} is an apocalyptic number.

16426665360531 is a deficient number, since it is larger than the sum of its proper divisors (8584635902109).

16426665360531 is an equidigital number, since it uses as much as digits as its factorization.

16426665360531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444408420 (or 444408377 counting only the distinct ones).

The product of its (nonzero) digits is 13996800, while the sum is 54.

The spelling of 16426665360531 in words is "sixteen trillion, four hundred twenty-six billion, six hundred sixty-five million, three hundred sixty thousand, five hundred thirty-one".