670106111 has 4 divisors (see below), whose sum is σ = 670299000. Its totient is φ = 669913224.

The previous prime is 670106093. The next prime is 670106113. The reversal of 670106111 is 111601076.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 670106111 - 2¹⁰ = 670105087 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 (670106113) 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, 91136 + ... + 98213.

It is an arithmetic number, because the mean of its divisors is an integer number (167574750).

Almost surely, 2^670106111 is an apocalyptic number.

670106111 is a deficient number, since it is larger than the sum of its proper divisors (192889).

670106111 is a wasteful number, since it uses less digits than its factorization.

670106111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192888.

The product of its (nonzero) digits is 252, while the sum is 23.

The square root of 670106111 is about 25886.4078427270. The cubic root of 670106111 is about 875.0802042399.

Adding to 670106111 its reverse (111601076), we get a palindrome (781707187).

The spelling of 670106111 in words is "six hundred seventy million, one hundred six thousand, one hundred eleven".