143666103465446 has 16 divisors (see below), whose sum is σ = 222930446343840. Its totient is φ = 69355961035200.

The previous prime is 143666103465323. The next prime is 143666103465499. The reversal of 143666103465446 is 644564301666341.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 79034090 + ... + 80831426.

It is an arithmetic number, because the mean of its divisors is an integer number (13933152896490).

Almost surely, 2^{143666103465446} is an apocalyptic number.

143666103465446 is a deficient number, since it is larger than the sum of its proper divisors (79264342878394).

143666103465446 is a wasteful number, since it uses less digits than its factorization.

143666103465446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3175519.

The product of its (nonzero) digits is 89579520, while the sum is 59.

The spelling of 143666103465446 in words is "one hundred forty-three trillion, six hundred sixty-six billion, one hundred three million, four hundred sixty-five thousand, four hundred forty-six".