406660877905116 has 48 divisors (see below), whose sum is σ = 953146144485920. Its totient is φ = 134943910778880.

The previous prime is 406660877904847. The next prime is 406660877905123. The reversal of 406660877905116 is 611509778066604.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16346551 + ... + 32871438.

Almost surely, 2^{406660877905116} is an apocalyptic number.

It is an amenable number.

406660877905116 is an abundant number, since it is smaller than the sum of its proper divisors (546485266580804).

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

406660877905116 is a wasteful number, since it uses less digits than its factorization.

406660877905116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49221094 (or 49221092 counting only the distinct ones).

The product of its (nonzero) digits is 91445760, while the sum is 66.

The spelling of 406660877905116 in words is "four hundred six trillion, six hundred sixty billion, eight hundred seventy-seven million, nine hundred five thousand, one hundred sixteen".