667350055 has 8 divisors (see below), whose sum is σ = 802261152. Its totient is φ = 532919328.

The previous prime is 667350049. The next prime is 667350107. The reversal of 667350055 is 550053766.

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 667350055 - 2¹³ = 667341863 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 667349996 and 667350023.

It is a congruent 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 in 7 ways as a sum of consecutive naturals, for example, 117027 + ... + 122596.

It is an arithmetic number, because the mean of its divisors is an integer number (100282644).

Almost surely, 2^667350055 is an apocalyptic number.

667350055 is a deficient number, since it is larger than the sum of its proper divisors (134911097).

667350055 is a wasteful number, since it uses less digits than its factorization.

667350055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240185.

The product of its (nonzero) digits is 94500, while the sum is 37.

The square root of 667350055 is about 25833.1193431997. The cubic root of 667350055 is about 873.8788601485.

The spelling of 667350055 in words is "six hundred sixty-seven million, three hundred fifty thousand, fifty-five".