406883543666 has 32 divisors (see below), whose sum is σ = 647795880000. Its totient is φ = 191010166272.

The previous prime is 406883543663. The next prime is 406883543681. The reversal of 406883543666 is 666345388604.

It is not an unprimeable number, because it can be changed into a prime (406883543663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32862665 + ... + 32875043.

It is an arithmetic number, because the mean of its divisors is an integer number (20243621250).

Almost surely, 2^406883543666 is an apocalyptic number.

406883543666 is a deficient number, since it is larger than the sum of its proper divisors (240912336334).

406883543666 is a wasteful number, since it uses less digits than its factorization.

406883543666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14666.

The product of its (nonzero) digits is 59719680, while the sum is 59.

The spelling of 406883543666 in words is "four hundred six billion, eight hundred eighty-three million, five hundred forty-three thousand, six hundred sixty-six".