160506501065557 has 8 divisors (see below), whose sum is σ = 160762304543256. Its totient is φ = 160250898143232.

The previous prime is 160506501065503. The next prime is 160506501065627. The reversal of 160506501065557 is 755560105605061.

It can be written as a sum of positive squares in 4 ways, for example, as 9234360138481 + 151272140927076 = 3038809^2 + 12299274^2 .

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 160506501065557 - 2¹⁵ = 160506501032789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160506501065357) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 48536908 + ... + 51738229.

It is an arithmetic number, because the mean of its divisors is an integer number (20095288067907).

Almost surely, 2^{160506501065557} is an apocalyptic number.

It is an amenable number.

160506501065557 is a deficient number, since it is larger than the sum of its proper divisors (255803477699).

160506501065557 is a wasteful number, since it uses less digits than its factorization.

160506501065557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100277687.

The product of its (nonzero) digits is 4725000, while the sum is 52.

The spelling of 160506501065557 in words is "one hundred sixty trillion, five hundred six billion, five hundred one million, sixty-five thousand, five hundred fifty-seven".