16667671464137 has 2 divisors, whose sum is σ = 16667671464138. Its totient is φ = 16667671464136.

The previous prime is 16667671464131. The next prime is 16667671464211. The reversal of 16667671464137 is 73146417676661.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13440406525456 + 3227264938681 = 3666116^2 + 1796459^2 .

It is a cyclic number.

It is not a de Polignac number, because 16667671464137 - 2²⁸ = 16667403028681 is a prime.

It is a super-2 number, since 2×16667671464137² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16667671464131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8333835732068 + 8333835732069.

It is an arithmetic number, because the mean of its divisors is an integer number (8333835732069).

Almost surely, 2^{16667671464137} is an apocalyptic number.

It is an amenable number.

16667671464137 is a deficient number, since it is larger than the sum of its proper divisors (1).

16667671464137 is an equidigital number, since it uses as much as digits as its factorization.

16667671464137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 128024064, while the sum is 65.

The spelling of 16667671464137 in words is "sixteen trillion, six hundred sixty-seven billion, six hundred seventy-one million, four hundred sixty-four thousand, one hundred thirty-seven".