660361162 has 4 divisors (see below), whose sum is σ = 990541746. Its totient is φ = 330180580.

The previous prime is 660361153. The next prime is 660361181. The reversal of 660361162 is 261163066.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 632472201 + 27888961 = 25149^2 + 5281^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165090289 + ... + 165090292.

Almost surely, 2^660361162 is an apocalyptic number.

660361162 is a deficient number, since it is larger than the sum of its proper divisors (330180584).

660361162 is a wasteful number, since it uses less digits than its factorization.

660361162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330180583.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 660361162 is about 25697.4933018767. The cubic root of 660361162 is about 870.8175527147.

The spelling of 660361162 in words is "six hundred sixty million, three hundred sixty-one thousand, one hundred sixty-two".