166437037 has 8 divisors (see below), whose sum is σ = 179347896. Its totient is φ = 153541632.

The previous prime is 166437001. The next prime is 166437049. The reversal of 166437037 is 730734661.

It can be written as a sum of positive squares in 4 ways, for example, as 65755881 + 100681156 = 8109^2 + 10034^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 166437037 - 2¹⁵ = 166404269 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 166436987 and 166437005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166437077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28773 + ... + 34069.

It is an arithmetic number, because the mean of its divisors is an integer number (22418487).

Almost surely, 2^166437037 is an apocalyptic number.

It is an amenable number.

166437037 is a deficient number, since it is larger than the sum of its proper divisors (12910859).

166437037 is a wasteful number, since it uses less digits than its factorization.

166437037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7727.

The product of its (nonzero) digits is 63504, while the sum is 37.

The square root of 166437037 is about 12901.0479031744. The cubic root of 166437037 is about 550.0683518357.

The spelling of 166437037 in words is "one hundred sixty-six million, four hundred thirty-seven thousand, thirty-seven".