166327607 has 4 divisors (see below), whose sum is σ = 166397496. Its totient is φ = 166257720.

The previous prime is 166327591. The next prime is 166327613. The reversal of 166327607 is 706723661.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 706723661 = 7 ⋅100960523.

It is a cyclic number.

It is not a de Polignac number, because 166327607 - 2⁴ = 166327591 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 (166323607) 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, 31244 + ... + 36177.

It is an arithmetic number, because the mean of its divisors is an integer number (41599374).

Almost surely, 2^166327607 is an apocalyptic number.

166327607 is a deficient number, since it is larger than the sum of its proper divisors (69889).

166327607 is an equidigital number, since it uses as much as digits as its factorization.

166327607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69888.

The product of its (nonzero) digits is 63504, while the sum is 38.

The square root of 166327607 is about 12896.8060774752. The cubic root of 166327607 is about 549.9477713490.

The spelling of 166327607 in words is "one hundred sixty-six million, three hundred twenty-seven thousand, six hundred seven".