16670617427423 has 4 divisors (see below), whose sum is σ = 16672413645888. Its totient is φ = 16668821208960.

The previous prime is 16670617427381. The next prime is 16670617427459. The reversal of 16670617427423 is 32472471607661.

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 16670617427423 - 2⁴⁰ = 15571105799647 is a prime.

It is a super-2 number, since 2×16670617427423² (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 (16670613427423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 898095311 + ... + 898113872.

It is an arithmetic number, because the mean of its divisors is an integer number (4168103411472).

Almost surely, 2^{16670617427423} is an apocalyptic number.

16670617427423 is a deficient number, since it is larger than the sum of its proper divisors (1796218465).

16670617427423 is an equidigital number, since it uses as much as digits as its factorization.

16670617427423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1796218464.

The product of its (nonzero) digits is 14224896, while the sum is 56.

The spelling of 16670617427423 in words is "sixteen trillion, six hundred seventy billion, six hundred seventeen million, four hundred twenty-seven thousand, four hundred twenty-three".