166000951 has 2 divisors, whose sum is σ = 166000952. Its totient is φ = 166000950.

The previous prime is 166000949. The next prime is 166000969. The reversal of 166000951 is 159000661.

It is a weak prime.

It is an emirp because it is prime and its reverse (159000661) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 166000951 - 2¹ = 166000949 is a prime.

Together with 166000949, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (166000921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83000475 + 83000476.

It is an arithmetic number, because the mean of its divisors is an integer number (83000476).

Almost surely, 2^166000951 is an apocalyptic number.

166000951 is a deficient number, since it is larger than the sum of its proper divisors (1).

166000951 is an equidigital number, since it uses as much as digits as its factorization.

166000951 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 166000951 is about 12884.1356326298. The cubic root of 166000951 is about 549.5875155190.

The spelling of 166000951 in words is "one hundred sixty-six million, nine hundred fifty-one", and thus it is an aban number.