660376163 has 4 divisors (see below), whose sum is σ = 660473688. Its totient is φ = 660278640.

The previous prime is 660376153. The next prime is 660376243. The reversal of 660376163 is 361673066.

660376163 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 361673066 = 2 ⋅180836533.

It is a cyclic number.

It is not a de Polignac number, because 660376163 - 2⁶ = 660376099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (660376153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37781 + ... + 52422.

It is an arithmetic number, because the mean of its divisors is an integer number (165118422).

Almost surely, 2^660376163 is an apocalyptic number.

660376163 is a deficient number, since it is larger than the sum of its proper divisors (97525).

660376163 is an equidigital number, since it uses as much as digits as its factorization.

660376163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97524.

The product of its (nonzero) digits is 81648, while the sum is 38.

The square root of 660376163 is about 25697.7851769369. The cubic root of 660376163 is about 870.8241465990.

The spelling of 660376163 in words is "six hundred sixty million, three hundred seventy-six thousand, one hundred sixty-three".