406661661060 has 96 divisors (see below), whose sum is σ = 1205755528320. Its totient is φ = 102053664768.

The previous prime is 406661661053. The next prime is 406661661073. The reversal of 406661661060 is 60166166604.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16580086 + ... + 16604594.

It is an arithmetic number, because the mean of its divisors is an integer number (12559953420).

Almost surely, 2^406661661060 is an apocalyptic number.

It is an amenable number.

406661661060 is an abundant number, since it is smaller than the sum of its proper divisors (799093867260).

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

406661661060 is a wasteful number, since it uses less digits than its factorization.

406661661060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40805 (or 40803 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 42.

The spelling of 406661661060 in words is "four hundred six billion, six hundred sixty-one million, six hundred sixty-one thousand, sixty".