143664451663 has 2 divisors, whose sum is σ = 143664451664. Its totient is φ = 143664451662.

The previous prime is 143664451639. The next prime is 143664451673. The reversal of 143664451663 is 366154466341.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143664451663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143664451673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71832225831 + 71832225832.

It is an arithmetic number, because the mean of its divisors is an integer number (71832225832).

Almost surely, 2^143664451663 is an apocalyptic number.

143664451663 is a deficient number, since it is larger than the sum of its proper divisors (1).

143664451663 is an equidigital number, since it uses as much as digits as its factorization.

143664451663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3732480, while the sum is 49.

The spelling of 143664451663 in words is "one hundred forty-three billion, six hundred sixty-four million, four hundred fifty-one thousand, six hundred sixty-three".