19330730664 has 64 divisors (see below), whose sum is σ = 56136109440. Its totient is φ = 5432520960.

The previous prime is 19330730621. The next prime is 19330730737. The reversal of 19330730664 is 46603703391.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 932899 + ... + 953394.

It is an arithmetic number, because the mean of its divisors is an integer number (877126710).

Almost surely, 2^19330730664 is an apocalyptic number.

19330730664 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

19330730664 is an abundant number, since it is smaller than the sum of its proper divisors (36805378776).

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

19330730664 is a wasteful number, since it uses less digits than its factorization.

19330730664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1886370 (or 1886366 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 42.

The spelling of 19330730664 in words is "nineteen billion, three hundred thirty million, seven hundred thirty thousand, six hundred sixty-four".