16667676135434 has 8 divisors (see below), whose sum is σ = 25863635382660. Its totient is φ = 8046464341216.

The previous prime is 16667676135419. The next prime is 16667676135437. The reversal of 16667676135434 is 43453167676661.

It can be written as a sum of positive squares in 2 ways, for example, as 14097794618209 + 2569881517225 = 3754703^2 + 1603085^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×16667676135434² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16667676135437) 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, 143686863179 + ... + 143686863294.

Almost surely, 2^{16667676135434} is an apocalyptic number.

16667676135434 is a deficient number, since it is larger than the sum of its proper divisors (9195959247226).

16667676135434 is a wasteful number, since it uses less digits than its factorization.

16667676135434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287373726504.

The product of its digits is 274337280, while the sum is 65.

The spelling of 16667676135434 in words is "sixteen trillion, six hundred sixty-seven billion, six hundred seventy-six million, one hundred thirty-five thousand, four hundred thirty-four".