143666400213 has 12 divisors (see below), whose sum is σ = 237163581408. Its totient is φ = 82095085800.

The previous prime is 143666400187. The next prime is 143666400233. The reversal of 143666400213 is 312004666341.

It is not a de Polignac number, because 143666400213 - 2¹³ = 143666392021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143666400233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1140209463 + ... + 1140209588.

It is an arithmetic number, because the mean of its divisors is an integer number (19763631784).

Almost surely, 2^143666400213 is an apocalyptic number.

It is an amenable number.

143666400213 is a deficient number, since it is larger than the sum of its proper divisors (93497181195).

143666400213 is a wasteful number, since it uses less digits than its factorization.

143666400213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2280419064 (or 2280419061 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The spelling of 143666400213 in words is "one hundred forty-three billion, six hundred sixty-six million, four hundred thousand, two hundred thirteen".