16172043463 has 2 divisors, whose sum is σ = 16172043464. Its totient is φ = 16172043462.

The previous prime is 16172043443. The next prime is 16172043473. The reversal of 16172043463 is 36434027161.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16172043463 - 2²⁹ = 15635172551 is a prime.

It is a super-2 number, since 2×16172043463² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16172043443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8086021731 + 8086021732.

It is an arithmetic number, because the mean of its divisors is an integer number (8086021732).

Almost surely, 2^16172043463 is an apocalyptic number.

16172043463 is a deficient number, since it is larger than the sum of its proper divisors (1).

16172043463 is an equidigital number, since it uses as much as digits as its factorization.

16172043463 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 37.

The spelling of 16172043463 in words is "sixteen billion, one hundred seventy-two million, forty-three thousand, four hundred sixty-three".