160861465 has 8 divisors (see below), whose sum is σ = 193310280. Its totient is φ = 128504832.

The previous prime is 160861433. The next prime is 160861469. The reversal of 160861465 is 564168061.

It can be written as a sum of positive squares in 4 ways, for example, as 3308761 + 157552704 = 1819^2 + 12552^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 160861465 - 2⁵ = 160861433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (160861469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19144 + ... + 26233.

It is an arithmetic number, because the mean of its divisors is an integer number (24163785).

Almost surely, 2^160861465 is an apocalyptic number.

It is an amenable number.

160861465 is a deficient number, since it is larger than the sum of its proper divisors (32448815).

160861465 is an equidigital number, since it uses as much as digits as its factorization.

160861465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46091.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 160861465 is about 12683.1173218574. The cubic root of 160861465 is about 543.8561031330.

The spelling of 160861465 in words is "one hundred sixty million, eight hundred sixty-one thousand, four hundred sixty-five".