660795167 has 8 divisors (see below), whose sum is σ = 696226560. Its totient is φ = 625429080.

The previous prime is 660795077. The next prime is 660795181. The reversal of 660795167 is 761597066.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 660795167 - 2¹⁸ = 660533023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660725167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5192 + ... + 36722.

It is an arithmetic number, because the mean of its divisors is an integer number (87028320).

Almost surely, 2^660795167 is an apocalyptic number.

660795167 is a deficient number, since it is larger than the sum of its proper divisors (35431393).

660795167 is a wasteful number, since it uses less digits than its factorization.

660795167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32653.

The product of its (nonzero) digits is 476280, while the sum is 47.

The square root of 660795167 is about 25705.9364155442. The cubic root of 660795167 is about 871.0082849115.

The spelling of 660795167 in words is "six hundred sixty million, seven hundred ninety-five thousand, one hundred sixty-seven".