17664061104 has 60 divisors (see below), whose sum is σ = 49468682016. Its totient is φ = 5883989376.

The previous prime is 17664061073. The next prime is 17664061147. The reversal of 17664061104 is 40116046671.

It is a happy number.

17664061104 is a `hidden beast` number, since 1 + 7 + 6 + 640 + 6 + 1 + 1 + 0 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 172882 + ... + 255374.

Almost surely, 2^17664061104 is an apocalyptic number.

It is an amenable number.

17664061104 is an abundant number, since it is smaller than the sum of its proper divisors (31804620912).

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

17664061104 is a wasteful number, since it uses less digits than its factorization.

17664061104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83994 (or 83985 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The spelling of 17664061104 in words is "seventeen billion, six hundred sixty-four million, sixty-one thousand, one hundred four".