19660960 has 48 divisors (see below), whose sum is σ = 50676192. Its totient is φ = 7148800.

The previous prime is 19660951. The next prime is 19660961. The reversal of 19660960 is 6906691.

It is not an unprimeable number, because it can be changed into a prime (19660961) 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, 3826 + ... + 7345.

It is an arithmetic number, because the mean of its divisors is an integer number (1055754).

Almost surely, 2^19660960 is an apocalyptic number.

19660960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19660960 is an abundant number, since it is smaller than the sum of its proper divisors (31015232).

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

19660960 is a wasteful number, since it uses less digits than its factorization.

19660960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11197 (or 11189 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 19660960 is about 4434.0681095355. The cubic root of 19660960 is about 269.8991850410.

The spelling of 19660960 in words is "nineteen million, six hundred sixty thousand, nine hundred sixty".