405601511606161 has 8 divisors (see below), whose sum is σ = 450892002977024. Its totient is φ = 362323930962960.

The previous prime is 405601511606131. The next prime is 405601511606201. The reversal of 405601511606161 is 161606115106504.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 405601511606161 - 2⁹ = 405601511605649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (405601511606131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 503227681491 + ... + 503227682296.

It is an arithmetic number, because the mean of its divisors is an integer number (56361500372128).

Almost surely, 2^{405601511606161} is an apocalyptic number.

It is an amenable number.

405601511606161 is a deficient number, since it is larger than the sum of its proper divisors (45290491370863).

405601511606161 is a wasteful number, since it uses less digits than its factorization.

405601511606161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006455363831.

The product of its (nonzero) digits is 129600, while the sum is 43.

The spelling of 405601511606161 in words is "four hundred five trillion, six hundred one billion, five hundred eleven million, six hundred six thousand, one hundred sixty-one".