19660941 has 16 divisors (see below), whose sum is σ = 29246400. Its totient is φ = 13053744.

The previous prime is 19660939. The next prime is 19660943. The reversal of 19660941 is 14906691.

19660941 is a `hidden beast` number, since 1 + 9 + 6 + 609 + 41 = 666.

It is an interprime number because it is at equal distance from previous prime (19660939) and next prime (19660943).

It is not a de Polignac number, because 19660941 - 2¹ = 19660939 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 19660896 and 19660905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19660943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5910 + ... + 8616.

It is an arithmetic number, because the mean of its divisors is an integer number (1827900).

Almost surely, 2^19660941 is an apocalyptic number.

It is an amenable number.

19660941 is a deficient number, since it is larger than the sum of its proper divisors (9585459).

19660941 is a wasteful number, since it uses less digits than its factorization.

19660941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2985 (or 2979 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 19660941 is about 4434.0659670330. The cubic root of 19660941 is about 269.8990980990.

The spelling of 19660941 in words is "nineteen million, six hundred sixty thousand, nine hundred forty-one".