160506165551 has 8 divisors (see below), whose sum is σ = 167981689824. Its totient is φ = 153072057600.

The previous prime is 160506165541. The next prime is 160506165559. The reversal of 160506165551 is 155561605061.

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 160506165551 - 2⁶ = 160506165487 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 160506165499 and 160506165508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160506165559) by changing a digit.

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, 10346150 + ... + 10361651.

It is an arithmetic number, because the mean of its divisors is an integer number (20997711228).

Almost surely, 2^160506165551 is an apocalyptic number.

160506165551 is a deficient number, since it is larger than the sum of its proper divisors (7475524273).

160506165551 is a wasteful number, since it uses less digits than its factorization.

160506165551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20708161.

The product of its (nonzero) digits is 135000, while the sum is 41.

The spelling of 160506165551 in words is "one hundred sixty billion, five hundred six million, one hundred sixty-five thousand, five hundred fifty-one".