143666311366065 has 16 divisors (see below), whose sum is σ = 229878889563456. Its totient is φ = 76617768936000.

The previous prime is 143666311366051. The next prime is 143666311366087. The reversal of 143666311366065 is 560663113666341.

It is not a de Polignac number, because 143666311366065 - 2⁴ = 143666311366049 is a prime.

It is a super-2 number, since 2×143666311366065² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 143666311365996 and 143666311366014.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 266208486 + ... + 266747615.

It is an arithmetic number, because the mean of its divisors is an integer number (14367430597716).

Almost surely, 2^{143666311366065} is an apocalyptic number.

143666311366065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

143666311366065 is a deficient number, since it is larger than the sum of its proper divisors (86212578197391).

143666311366065 is a wasteful number, since it uses less digits than its factorization.

143666311366065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532974080.

The product of its (nonzero) digits is 25194240, while the sum is 57.

The spelling of 143666311366065 in words is "one hundred forty-three trillion, six hundred sixty-six billion, three hundred eleven million, three hundred sixty-six thousand, sixty-five".