16464546143 has 2 divisors, whose sum is σ = 16464546144. Its totient is φ = 16464546142.

The previous prime is 16464546107. The next prime is 16464546157. The reversal of 16464546143 is 34164546461.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16464546143 - 2¹² = 16464542047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16464546094 and 16464546103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16464546443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8232273071 + 8232273072.

It is an arithmetic number, because the mean of its divisors is an integer number (8232273072).

Almost surely, 2^16464546143 is an apocalyptic number.

16464546143 is a deficient number, since it is larger than the sum of its proper divisors (1).

16464546143 is an equidigital number, since it uses as much as digits as its factorization.

16464546143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 829440, while the sum is 44.

The spelling of 16464546143 in words is "sixteen billion, four hundred sixty-four million, five hundred forty-six thousand, one hundred forty-three".