160537725 has 18 divisors (see below), whose sum is σ = 287541306. Its totient is φ = 85620000.

The previous prime is 160537721. The next prime is 160537753. The reversal of 160537725 is 527735061.

It can be written as a sum of positive squares in 3 ways, for example, as 12404484 + 148133241 = 3522^2 + 12171^2 .

It is not a de Polignac number, because 160537725 - 2² = 160537721 is a prime.

It is a super-2 number, since 2×160537725² = 51544722296351250, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 160537725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160537721) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 356526 + ... + 356975.

It is an arithmetic number, because the mean of its divisors is an integer number (15974517).

Almost surely, 2^160537725 is an apocalyptic number.

160537725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

160537725 is a deficient number, since it is larger than the sum of its proper divisors (127003581).

160537725 is a wasteful number, since it uses less digits than its factorization.

160537725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713517 (or 713509 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 36.

The square root of 160537725 is about 12670.3482588286. The cubic root of 160537725 is about 543.4910142004.

The spelling of 160537725 in words is "one hundred sixty million, five hundred thirty-seven thousand, seven hundred twenty-five".