19660002 has 8 divisors (see below), whose sum is σ = 39320016. Its totient is φ = 6553332.

The previous prime is 19660001. The next prime is 19660013. The reversal of 19660002 is 20006691.

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

19660002 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (19660001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1638328 + ... + 1638339.

It is an arithmetic number, because the mean of its divisors is an integer number (4915002).

Almost surely, 2^19660002 is an apocalyptic number.

19660002 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.

19660002 is a wasteful number, since it uses less digits than its factorization.

19660002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3276672.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 19660002 is about 4433.9600810111. The cubic root of 19660002 is about 269.8948012669.

Adding to 19660002 its reverse (20006691), we get a palindrome (39666693).

The spelling of 19660002 in words is "nineteen million, six hundred sixty thousand, two".