166041079 has 2 divisors, whose sum is σ = 166041080. Its totient is φ = 166041078.

The previous prime is 166041077. The next prime is 166041101. The reversal of 166041079 is 970140661.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 166041079 - 2¹ = 166041077 is a prime.

Together with 166041077, 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 (166041077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83020539 + 83020540.

It is an arithmetic number, because the mean of its divisors is an integer number (83020540).

Almost surely, 2^166041079 is an apocalyptic number.

166041079 is a deficient number, since it is larger than the sum of its proper divisors (1).

166041079 is an equidigital number, since it uses as much as digits as its factorization.

166041079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 166041079 is about 12885.6928024845. The cubic root of 166041079 is about 549.6317965324.

The spelling of 166041079 in words is "one hundred sixty-six million, forty-one thousand, seventy-nine".