166127479 has 8 divisors (see below), whose sum is σ = 190083488. Its totient is φ = 142227360.

The previous prime is 166127359. The next prime is 166127491. The reversal of 166127479 is 974721661.

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

It is a cyclic number.

It is not a de Polignac number, because 166127479 - 2¹⁵ = 166094711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166122479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7392 + ... + 19669.

It is an arithmetic number, because the mean of its divisors is an integer number (23760436).

Almost surely, 2^166127479 is an apocalyptic number.

166127479 is a deficient number, since it is larger than the sum of its proper divisors (23956009).

166127479 is an equidigital number, since it uses as much as digits as its factorization.

166127479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27945.

The product of its digits is 127008, while the sum is 43.

The square root of 166127479 is about 12889.0449219483. The cubic root of 166127479 is about 549.7271142153.

The spelling of 166127479 in words is "one hundred sixty-six million, one hundred twenty-seven thousand, four hundred seventy-nine".