19053387164 has 36 divisors (see below), whose sum is σ = 39278262240. Its totient is φ = 8062367040.

The previous prime is 19053387139. The next prime is 19053387167. The reversal of 19053387164 is 46178335091.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19053387167) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 599777 + ... + 630744.

It is an arithmetic number, because the mean of its divisors is an integer number (1091062840).

Almost surely, 2^19053387164 is an apocalyptic number.

19053387164 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

19053387164 is an abundant number, since it is smaller than the sum of its proper divisors (20224875076).

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

19053387164 is a wasteful number, since it uses less digits than its factorization.

19053387164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1230618 (or 1230609 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 47.

The spelling of 19053387164 in words is "nineteen billion, fifty-three million, three hundred eighty-seven thousand, one hundred sixty-four".