166093546 has 8 divisors (see below), whose sum is σ = 251426340. Its totient is φ = 82284768.

The previous prime is 166093537. The next prime is 166093561. The reversal of 166093546 is 645390661.

It can be written as a sum of positive squares in 2 ways, for example, as 159390625 + 6702921 = 12625^2 + 2589^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 166093499 and 166093508.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 380731 + ... + 381166.

Almost surely, 2^166093546 is an apocalyptic number.

166093546 is a deficient number, since it is larger than the sum of its proper divisors (85332794).

166093546 is a wasteful number, since it uses less digits than its factorization.

166093546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762008.

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 166093546 is about 12887.7285042788. The cubic root of 166093546 is about 549.6896827991.

It can be divided in two parts, 166093 and 546, that multiplied together give a triangular number (90686778 = T₁₃₄₆₇).

The spelling of 166093546 in words is "one hundred sixty-six million, ninety-three thousand, five hundred forty-six".