160061665 has 8 divisors (see below), whose sum is σ = 192263400. Its totient is φ = 127923072.

The previous prime is 160061653. The next prime is 160061683. The reversal of 160061665 is 566160061.

It can be written as a sum of positive squares in 4 ways, for example, as 5531904 + 154529761 = 2352^2 + 12431^2 .

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 160061665 - 2⁵ = 160061633 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10014 + ... + 20503.

It is an arithmetic number, because the mean of its divisors is an integer number (24032925).

Almost surely, 2^160061665 is an apocalyptic number.

It is an amenable number.

160061665 is a deficient number, since it is larger than the sum of its proper divisors (32201735).

160061665 is a wasteful number, since it uses less digits than its factorization.

160061665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31571.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 160061665 is about 12651.5479290085. The cubic root of 160061665 is about 542.9532579287.

It can be divided in two parts, 16006 and 1665, that added together give a palindrome (17671).

The spelling of 160061665 in words is "one hundred sixty million, sixty-one thousand, six hundred sixty-five".