166076437 has 2 divisors, whose sum is σ = 166076438. Its totient is φ = 166076436.

The previous prime is 166076431. The next prime is 166076459. The reversal of 166076437 is 734670661.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 107308881 + 58767556 = 10359^2 + 7666^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-166076437 is a prime.

It is a super-2 number, since 2×166076437² = 55162765853229938, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 166076437.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (166076431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83038218 + 83038219.

It is an arithmetic number, because the mean of its divisors is an integer number (83038219).

Almost surely, 2^166076437 is an apocalyptic number.

It is an amenable number.

166076437 is a deficient number, since it is larger than the sum of its proper divisors (1).

166076437 is an equidigital number, since it uses as much as digits as its factorization.

166076437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 127008, while the sum is 40.

The square root of 166076437 is about 12887.0647162184. The cubic root of 166076437 is about 549.6708079664.

The spelling of 166076437 in words is "one hundred sixty-six million, seventy-six thousand, four hundred thirty-seven".