166240126 has 16 divisors (see below), whose sum is σ = 272223504. Its totient is φ = 75674304.

The previous prime is 166240121. The next prime is 166240147. The reversal of 166240126 is 621042661.

It is a junction number, because it is equal to n+sod(n) for n = 166240094 and 166240103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166240121) 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, 41896 + ... + 45691.

It is an arithmetic number, because the mean of its divisors is an integer number (17013969).

Almost surely, 2^166240126 is an apocalyptic number.

166240126 is a deficient number, since it is larger than the sum of its proper divisors (105983378).

166240126 is a wasteful number, since it uses less digits than its factorization.

166240126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87675.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 166240126 is about 12893.4140552454. The cubic root of 166240126 is about 549.8513383337.

Adding to 166240126 its reverse (621042661), we get a palindrome (787282787).

The spelling of 166240126 in words is "one hundred sixty-six million, two hundred forty thousand, one hundred twenty-six".