16670036543 has 4 divisors (see below), whose sum is σ = 16780434288. Its totient is φ = 16559638800.

The previous prime is 16670036533. The next prime is 16670036597. The reversal of 16670036543 is 34563007661.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16670036543 - 2⁸ = 16670036287 is a prime.

It is a super-3 number, since 3×16670036543³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16670036543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16670036533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55198646 + ... + 55198947.

It is an arithmetic number, because the mean of its divisors is an integer number (4195108572).

Almost surely, 2^16670036543 is an apocalyptic number.

16670036543 is a deficient number, since it is larger than the sum of its proper divisors (110397745).

16670036543 is a wasteful number, since it uses less digits than its factorization.

16670036543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110397744.

The product of its (nonzero) digits is 272160, while the sum is 41.

The spelling of 16670036543 in words is "sixteen billion, six hundred seventy million, thirty-six thousand, five hundred forty-three".