667066099 has 8 divisors (see below), whose sum is σ = 765262080. Its totient is φ = 569595336.

The previous prime is 667066063. The next prime is 667066123. The reversal of 667066099 is 990660766.

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 667066099 - 2²⁵ = 633511667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (667066019) 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, 179329 + ... + 183010.

It is an arithmetic number, because the mean of its divisors is an integer number (95657760).

Almost surely, 2^667066099 is an apocalyptic number.

667066099 is a deficient number, since it is larger than the sum of its proper divisors (98195981).

667066099 is a wasteful number, since it uses less digits than its factorization.

667066099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362609.

The product of its (nonzero) digits is 734832, while the sum is 49.

The square root of 667066099 is about 25827.6227903383. The cubic root of 667066099 is about 873.7548980455.

The spelling of 667066099 in words is "six hundred sixty-seven million, sixty-six thousand, ninety-nine".