143666642612636 has 96 divisors (see below), whose sum is σ = 295744808620800. Its totient is φ = 60203362129920.

The previous prime is 143666642612579. The next prime is 143666642612651. The reversal of 143666642612636 is 636216246666341.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3155890571 + ... + 3155936093.

It is an arithmetic number, because the mean of its divisors is an integer number (3080675089800).

Almost surely, 2^{143666642612636} is an apocalyptic number.

It is an amenable number.

143666642612636 is an abundant number, since it is smaller than the sum of its proper divisors (152078166008164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

143666642612636 is a wasteful number, since it uses less digits than its factorization.

143666642612636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52419 (or 52417 counting only the distinct ones).

The product of its digits is 161243136, while the sum is 62.

The spelling of 143666642612636 in words is "one hundred forty-three trillion, six hundred sixty-six billion, six hundred forty-two million, six hundred twelve thousand, six hundred thirty-six".