667210232085 has 16 divisors (see below), whose sum is σ = 1080398257344. Its totient is φ = 351558161792.

The previous prime is 667210232009. The next prime is 667210232099. The reversal of 667210232085 is 580232012766.

It is a cyclic number.

It is not a de Polignac number, because 667210232085 - 2⁹ = 667210231573 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 267954672 + ... + 267957161.

It is an arithmetic number, because the mean of its divisors is an integer number (67524891084).

Almost surely, 2^667210232085 is an apocalyptic number.

It is an amenable number.

667210232085 is a deficient number, since it is larger than the sum of its proper divisors (413188025259).

667210232085 is a wasteful number, since it uses less digits than its factorization.

667210232085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535911924.

The product of its (nonzero) digits is 241920, while the sum is 42.

The spelling of 667210232085 in words is "six hundred sixty-seven billion, two hundred ten million, two hundred thirty-two thousand, eighty-five".