537166 has 32 divisors (see below), whose sum is σ = 1017792. Its totient is φ = 207360.

The previous prime is 537157. The next prime is 537169. The reversal of 537166 is 661735.

537166 is a nontrivial binomial coefficient, being equal to C(1037, 2).

It is a d-powerful number, because it can be written as 5⁵ + 3¹² + 1 + 7 + 6⁴ + 6⁴ .

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (537169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8776 + ... + 8836.

It is an arithmetic number, because the mean of its divisors is an integer number (31806).

2⁵³⁷¹⁶⁶ is an apocalyptic number.

537166 is the 1036-th triangular number.

537166 is the 346-th centered nonagonal number.

537166 is a deficient number, since it is larger than the sum of its proper divisors (480626).

537166 is a wasteful number, since it uses less digits than its factorization.

537166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124.

The product of its digits is 3780, while the sum is 28.

The square root of 537166 is about 732.9160934241. The cubic root of 537166 is about 81.2898218996.

It can be divided in two parts, 537 and 166, that added together give a triangular number (703 = T₃₇).

The spelling of 537166 in words is "five hundred thirty-seven thousand, one hundred sixty-six".