166606038 has 16 divisors (see below), whose sum is σ = 370235760. Its totient is φ = 55535328.

The previous prime is 166606031. The next prime is 166606051. The reversal of 166606038 is 830606661.

It is a junction number, because it is equal to n+sod(n) for n = 166605993 and 166606011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166606031) 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, 1542595 + ... + 1542702.

It is an arithmetic number, because the mean of its divisors is an integer number (23139735).

Almost surely, 2^166606038 is an apocalyptic number.

166606038 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

166606038 is an abundant number, since it is smaller than the sum of its proper divisors (203629722).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

166606038 is a wasteful number, since it uses less digits than its factorization.

166606038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3085308 (or 3085302 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 166606038 is about 12907.5961356094. The cubic root of 166606038 is about 550.2544695737.

The spelling of 166606038 in words is "one hundred sixty-six million, six hundred six thousand, thirty-eight".