160655625 has 75 divisors (see below), whose sum is σ = 314143973. Its totient is φ = 79092000.

The previous prime is 160655623. The next prime is 160655647. The reversal of 160655625 is 526556061.

It is a happy number.

The square root of 160655625 is 12675.

It is a perfect power (a square), and thus also a powerful number.

160655625 is nontrivially palindromic in base 8.

It can be written as a sum of positive squares in 12 ways, for example, as 37711881 + 122943744 = 6141^2 + 11088^2 .

It is a tau number, because it is divible by the number of its divisors (75).

It is not a de Polignac number, because 160655625 - 2¹ = 160655623 is a prime.

It is a zygodrome in base 8.

It is a self number, because there is not a number n which added to its sum of digits gives 160655625.

It is not an unprimeable number, because it can be changed into a prime (160655623) by changing a digit.

It is a polite number, since it can be written in 74 ways as a sum of consecutive naturals, for example, 12358119 + ... + 12358131.

Almost surely, 2^160655625 is an apocalyptic number.

160655625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

160655625 is the 12675-th square number.

160655625 is the 6338-th centered octagonal number.

It is an amenable number.

160655625 is a deficient number, since it is larger than the sum of its proper divisors (153488348).

160655625 is an frugal number, since it uses more digits than its factorization.

160655625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78 (or 21 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The cubic root of 160655625 is about 543.6240294790.

Multiplying 160655625 by its sum of digits (36), we get a square (5783602500 = 76050²).

The spelling of 160655625 in words is "one hundred sixty million, six hundred fifty-five thousand, six hundred twenty-five".