166536037 has 2 divisors, whose sum is σ = 166536038. Its totient is φ = 166536036.

The previous prime is 166535953. The next prime is 166536047. The reversal of 166536037 is 730635661.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 132733441 + 33802596 = 11521^2 + 5814^2 .

It is a cyclic number.

It is not a de Polignac number, because 166536037 - 2⁷ = 166535909 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 166535987 and 166536005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (166536047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83268018 + 83268019.

It is an arithmetic number, because the mean of its divisors is an integer number (83268019).

Almost surely, 2^166536037 is an apocalyptic number.

It is an amenable number.

166536037 is a deficient number, since it is larger than the sum of its proper divisors (1).

166536037 is an equidigital number, since it uses as much as digits as its factorization.

166536037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68040, while the sum is 37.

The square root of 166536037 is about 12904.8842303990. The cubic root of 166536037 is about 550.1773940178.

The spelling of 166536037 in words is "one hundred sixty-six million, five hundred thirty-six thousand, thirty-seven".