19161348148 has 12 divisors (see below), whose sum is σ = 33757409700. Its totient is φ = 9516373952.

The previous prime is 19161348137. The next prime is 19161348179. The reversal of 19161348148 is 84184316191.

It can be written as a sum of positive squares in 2 ways, for example, as 7161898384 + 11999449764 = 84628^2 + 109542^2 .

It is a junction number, because it is equal to n+sod(n) for n = 19161348098 and 19161348107.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16074361 + ... + 16075552.

It is an arithmetic number, because the mean of its divisors is an integer number (2813117475).

Almost surely, 2^19161348148 is an apocalyptic number.

It is an amenable number.

19161348148 is a deficient number, since it is larger than the sum of its proper divisors (14596061552).

19161348148 is a wasteful number, since it uses less digits than its factorization.

19161348148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32150066 (or 32150064 counting only the distinct ones).

The product of its digits is 165888, while the sum is 46.

The spelling of 19161348148 in words is "nineteen billion, one hundred sixty-one million, three hundred forty-eight thousand, one hundred forty-eight".