16170045443 has 2 divisors, whose sum is σ = 16170045444. Its totient is φ = 16170045442.

The previous prime is 16170045413. The next prime is 16170045523. The reversal of 16170045443 is 34454007161.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16170045443 is a prime.

It is a super-2 number, since 2×16170045443² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16170045413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8085022721 + 8085022722.

It is an arithmetic number, because the mean of its divisors is an integer number (8085022722).

Almost surely, 2^16170045443 is an apocalyptic number.

16170045443 is a deficient number, since it is larger than the sum of its proper divisors (1).

16170045443 is an equidigital number, since it uses as much as digits as its factorization.

16170045443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 35.

The spelling of 16170045443 in words is "sixteen billion, one hundred seventy million, forty-five thousand, four hundred forty-three".