166046546 has 16 divisors (see below), whose sum is σ = 251456640. Its totient is φ = 82231200.

The previous prime is 166046537. The next prime is 166046549. The reversal of 166046546 is 645640661.

It is not an unprimeable number, because it can be changed into a prime (166046549) 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, 146510 + ... + 147638.

It is an arithmetic number, because the mean of its divisors is an integer number (15716040).

Almost surely, 2^166046546 is an apocalyptic number.

166046546 is a deficient number, since it is larger than the sum of its proper divisors (85410094).

166046546 is a wasteful number, since it uses less digits than its factorization.

166046546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1769.

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 166046546 is about 12885.9049352383. The cubic root of 166046546 is about 549.6378287827.

The spelling of 166046546 in words is "one hundred sixty-six million, forty-six thousand, five hundred forty-six".