143666104443346 has 64 divisors (see below), whose sum is σ = 231144743370240. Its totient is φ = 66795410626560.

The previous prime is 143666104443341. The next prime is 143666104443353. The reversal of 143666104443346 is 643344401666341.

143666104443346 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (143666104443341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13699442115 + ... + 13699452601.

It is an arithmetic number, because the mean of its divisors is an integer number (3611636615160).

Almost surely, 2^{143666104443346} is an apocalyptic number.

143666104443346 is a deficient number, since it is larger than the sum of its proper divisors (87478638926894).

143666104443346 is a wasteful number, since it uses less digits than its factorization.

143666104443346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16699.

The product of its (nonzero) digits is 35831808, while the sum is 55.

The spelling of 143666104443346 in words is "one hundred forty-three trillion, six hundred sixty-six billion, one hundred four million, four hundred forty-three thousand, three hundred forty-six".