166655126 has 8 divisors (see below), whose sum is σ = 272708424. Its totient is φ = 75752320.

The previous prime is 166655123. The next prime is 166655129. The reversal of 166655126 is 621556661.

It is an interprime number because it is at equal distance from previous prime (166655123) and next prime (166655129).

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

It is a self number, because there is not a number n which added to its sum of digits gives 166655126.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166655123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3787595 + ... + 3787638.

It is an arithmetic number, because the mean of its divisors is an integer number (34088553).

Almost surely, 2^166655126 is an apocalyptic number.

166655126 is a deficient number, since it is larger than the sum of its proper divisors (106053298).

166655126 is a wasteful number, since it uses less digits than its factorization.

166655126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7575246.

The product of its digits is 64800, while the sum is 38.

The square root of 166655126 is about 12909.4975115223. The cubic root of 166655126 is about 550.3085057087.

The spelling of 166655126 in words is "one hundred sixty-six million, six hundred fifty-five thousand, one hundred twenty-six".