406863090066 has 32 divisors (see below), whose sum is σ = 822968061120. Its totient is φ = 134081083136.

The previous prime is 406863090013. The next prime is 406863090113. The reversal of 406863090066 is 660090368604.

It is a junction number, because it is equal to n+sod(n) for n = 406863089997 and 406863090024.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4902085 + ... + 4984391.

It is an arithmetic number, because the mean of its divisors is an integer number (25717751910).

Almost surely, 2^406863090066 is an apocalyptic number.

406863090066 is an abundant number, since it is smaller than the sum of its proper divisors (416104971054).

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

406863090066 is a wasteful number, since it uses less digits than its factorization.

406863090066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91658.

The product of its (nonzero) digits is 1119744, while the sum is 48.

The spelling of 406863090066 in words is "four hundred six billion, eight hundred sixty-three million, ninety thousand, sixty-six".