166019924 has 12 divisors (see below), whose sum is σ = 332039904. Its totient is φ = 71151384.

The previous prime is 166019921. The next prime is 166019927. The reversal of 166019924 is 429910661.

It is an interprime number because it is at equal distance from previous prime (166019921) and next prime (166019927).

166019924 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166019921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2964614 + ... + 2964669.

It is an arithmetic number, because the mean of its divisors is an integer number (27669992).

Almost surely, 2^166019924 is an apocalyptic number.

166019924 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

166019924 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

166019924 is a wasteful number, since it uses less digits than its factorization.

166019924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5929294 (or 5929292 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 166019924 is about 12884.8719046795. The cubic root of 166019924 is about 549.6084530029.

The spelling of 166019924 in words is "one hundred sixty-six million, nineteen thousand, nine hundred twenty-four".