1660316161 has 8 divisors (see below), whose sum is σ = 1923497984. Its totient is φ = 1403632800.

The previous prime is 1660316153. The next prime is 1660316173. The reversal of 1660316161 is 1616130661.

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 1660316161 - 2³ = 1660316153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1660316131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1624065 + ... + 1625086.

It is an arithmetic number, because the mean of its divisors is an integer number (240437248).

Almost surely, 2^1660316161 is an apocalyptic number.

It is an amenable number.

1660316161 is a deficient number, since it is larger than the sum of its proper divisors (263181823).

1660316161 is an equidigital number, since it uses as much as digits as its factorization.

1660316161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3249231.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 1660316161 is about 40746.9773234776. The cubic root of 1660316161 is about 1184.1233134230.

The spelling of 1660316161 in words is "one billion, six hundred sixty million, three hundred sixteen thousand, one hundred sixty-one".