166150637 has 2 divisors, whose sum is σ = 166150638. Its totient is φ = 166150636.

The previous prime is 166150591. The next prime is 166150651. The reversal of 166150637 is 736051661.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 148011556 + 18139081 = 12166^2 + 4259^2 .

It is a cyclic number.

It is not a de Polignac number, because 166150637 - 2¹⁸ = 165888493 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 166150597 and 166150606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (166150037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83075318 + 83075319.

It is an arithmetic number, because the mean of its divisors is an integer number (83075319).

Almost surely, 2^166150637 is an apocalyptic number.

It is an amenable number.

166150637 is a deficient number, since it is larger than the sum of its proper divisors (1).

166150637 is an equidigital number, since it uses as much as digits as its factorization.

166150637 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 166150637 is about 12889.9432504569. The cubic root of 166150637 is about 549.7526568269.

The spelling of 166150637 in words is "one hundred sixty-six million, one hundred fifty thousand, six hundred thirty-seven".