19660852 has 12 divisors (see below), whose sum is σ = 35138880. Its totient is φ = 9621176.

The previous prime is 19660843. The next prime is 19660867. The reversal of 19660852 is 25806691.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52102 + ... + 52477.

It is an arithmetic number, because the mean of its divisors is an integer number (2928240).

Almost surely, 2^19660852 is an apocalyptic number.

It is an amenable number.

19660852 is a deficient number, since it is larger than the sum of its proper divisors (15478028).

19660852 is a wasteful number, since it uses less digits than its factorization.

19660852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104630 (or 104628 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 19660852 is about 4434.0559310861. The cubic root of 19660852 is about 269.8986908439.

The spelling of 19660852 in words is "nineteen million, six hundred sixty thousand, eight hundred fifty-two".