19130664 has 64 divisors (see below), whose sum is σ = 57047040. Its totient is φ = 5227200.

The previous prime is 19130659. The next prime is 19130669. The reversal of 19130664 is 46603191.

It is an interprime number because it is at equal distance from previous prime (19130659) and next prime (19130669).

It is not an unprimeable number, because it can be changed into a prime (19130669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1389 + ... + 6339.

It is an arithmetic number, because the mean of its divisors is an integer number (891360).

Almost surely, 2^19130664 is an apocalyptic number.

19130664 is a gapful number since it is divisible by the number (14) 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 19130664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28523520).

19130664 is an abundant number, since it is smaller than the sum of its proper divisors (37916376).

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

19130664 is a wasteful number, since it uses less digits than its factorization.

19130664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4990 (or 4986 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 19130664 is about 4373.8614518524. The cubic root of 19130664 is about 267.4504592800.

The spelling of 19130664 in words is "nineteen million, one hundred thirty thousand, six hundred sixty-four".