166004837 has 2 divisors, whose sum is σ = 166004838. Its totient is φ = 166004836.

The previous prime is 166004827. The next prime is 166004849. The reversal of 166004837 is 738400661.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 138274081 + 27730756 = 11759^2 + 5266^2 .

It is a cyclic number.

It is not a de Polignac number, because 166004837 - 2⁴ = 166004821 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 166004797 and 166004806.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (166004807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83002418 + 83002419.

It is an arithmetic number, because the mean of its divisors is an integer number (83002419).

Almost surely, 2^166004837 is an apocalyptic number.

It is an amenable number.

166004837 is a deficient number, since it is larger than the sum of its proper divisors (1).

166004837 is an equidigital number, since it uses as much as digits as its factorization.

166004837 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 166004837 is about 12884.2864373624. The cubic root of 166004837 is about 549.5918040093.

The spelling of 166004837 in words is "one hundred sixty-six million, four thousand, eight hundred thirty-seven".