160088812321 has 9 divisors (see below), whose sum is σ = 163586644531. Its totient is φ = 156664262272.

The previous prime is 160088812249. The next prime is 160088812327. The reversal of 160088812321 is 123218880061.

The square root of 160088812321 is 400111.

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

It can be written as a sum of positive squares in only one way, i.e., 156424205025 + 3664607296 = 395505^2 + 60536^2 .

It is not a de Polignac number, because 160088812321 - 2³¹ = 157941328673 is a prime.

It is a super-2 number, since 2×160088812321² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (160088812327) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 18800961 + ... + 18809473.

Almost surely, 2^160088812321 is an apocalyptic number.

160088812321 is the 400111-st square number.

160088812321 is the 200056-th centered octagonal number.

It is an amenable number.

160088812321 is a deficient number, since it is larger than the sum of its proper divisors (3497832210).

160088812321 is an frugal number, since it uses more digits than its factorization.

160088812321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17120 (or 8560 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 40.

The spelling of 160088812321 in words is "one hundred sixty billion, eighty-eight million, eight hundred twelve thousand, three hundred twenty-one".