19674466560 has 432 divisors, whose sum is σ = 81897029760. Its totient is φ = 4260003840.

The previous prime is 19674466531. The next prime is 19674466577. The reversal of 19674466560 is 6566447691.

19674466560 is a `hidden beast` number, since 1 + 9 + 6 + 74 + 4 + 6 + 6 + 560 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 19674466497 and 19674466506.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1525740 + ... + 1538580.

Almost surely, 2^19674466560 is an apocalyptic number.

19674466560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19674466560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40948514880).

19674466560 is an abundant number, since it is smaller than the sum of its proper divisors (62222563200).

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

19674466560 is a wasteful number, since it uses less digits than its factorization.

19674466560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12894 (or 12877 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 54.

The spelling of 19674466560 in words is "nineteen billion, six hundred seventy-four million, four hundred sixty-six thousand, five hundred sixty".