160601566555 has 4 divisors (see below), whose sum is σ = 192721879872. Its totient is φ = 128481253240.

The previous prime is 160601566553. The next prime is 160601566577. The reversal of 160601566555 is 555665106061.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 160601566555 - 2¹ = 160601566553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (160601566553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16060156651 + ... + 16060156660.

It is an arithmetic number, because the mean of its divisors is an integer number (48180469968).

Almost surely, 2^160601566555 is an apocalyptic number.

160601566555 is a deficient number, since it is larger than the sum of its proper divisors (32120313317).

160601566555 is an equidigital number, since it uses as much as digits as its factorization.

160601566555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32120313316.

The product of its (nonzero) digits is 810000, while the sum is 46.

The spelling of 160601566555 in words is "one hundred sixty billion, six hundred one million, five hundred sixty-six thousand, five hundred fifty-five".