401206165115660 has 24 divisors (see below), whose sum is σ = 842533361419680. Its totient is φ = 160482387060224.

The previous prime is 401206165115659. The next prime is 401206165115677. The reversal of 401206165115660 is 66511561602104.

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, 53705201 + ... + 60717879.

It is an arithmetic number, because the mean of its divisors is an integer number (35105556725820).

Almost surely, 2^{401206165115660} is an apocalyptic number.

It is an amenable number.

401206165115660 is an abundant number, since it is smaller than the sum of its proper divisors (441327196304020).

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

401206165115660 is a wasteful number, since it uses less digits than its factorization.

401206165115660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9873265 (or 9873263 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 44.

The spelling of 401206165115660 in words is "four hundred one trillion, two hundred six billion, one hundred sixty-five million, one hundred fifteen thousand, six hundred sixty".