166232039 has 2 divisors, whose sum is σ = 166232040. Its totient is φ = 166232038.

The previous prime is 166232021. The next prime is 166232107. The reversal of 166232039 is 930232661.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-166232039 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 166231996 and 166232014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (166234039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83116019 + 83116020.

It is an arithmetic number, because the mean of its divisors is an integer number (83116020).

Almost surely, 2^166232039 is an apocalyptic number.

166232039 is a deficient number, since it is larger than the sum of its proper divisors (1).

166232039 is an equidigital number, since it uses as much as digits as its factorization.

166232039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 166232039 is about 12893.1004417091. The cubic root of 166232039 is about 549.8424220750.

The spelling of 166232039 in words is "one hundred sixty-six million, two hundred thirty-two thousand, thirty-nine".