166711007 has 4 divisors (see below), whose sum is σ = 167139960. Its totient is φ = 166282056.

The previous prime is 166711003. The next prime is 166711057. The reversal of 166711007 is 700117661.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 700117661 = 11551 ⋅60611.

It is a cyclic number.

It is not a de Polignac number, because 166711007 - 2² = 166711003 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 (166711001) 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, 213893 + ... + 214670.

It is an arithmetic number, because the mean of its divisors is an integer number (41784990).

Almost surely, 2^166711007 is an apocalyptic number.

166711007 is a deficient number, since it is larger than the sum of its proper divisors (428953).

166711007 is an equidigital number, since it uses as much as digits as its factorization.

166711007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428952.

The product of its (nonzero) digits is 1764, while the sum is 29.

The square root of 166711007 is about 12911.6616668808. The cubic root of 166711007 is about 550.3700066735.

Adding to 166711007 its reverse (700117661), we get a palindrome (866828668).

The spelling of 166711007 in words is "one hundred sixty-six million, seven hundred eleven thousand, seven".