19148170272 has 192 divisors, whose sum is σ = 64689020928. Its totient is φ = 4813056000.

The previous prime is 19148170259. The next prime is 19148170277. The reversal of 19148170272 is 27207184191.

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

It is not an unprimeable number, because it can be changed into a prime (19148170277) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 187372 + ... + 270932.

It is an arithmetic number, because the mean of its divisors is an integer number (336921984).

Almost surely, 2^19148170272 is an apocalyptic number.

19148170272 is a gapful number since it is divisible by the number (12) 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 19148170272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32344510464).

19148170272 is an abundant number, since it is smaller than the sum of its proper divisors (45540850656).

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

19148170272 is a wasteful number, since it uses less digits than its factorization.

19148170272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83623 (or 83615 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 42.

It can be divided in two parts, 19148 and 170272, that added together give a triangular number (189420 = T₆₁₅).

The spelling of 19148170272 in words is "nineteen billion, one hundred forty-eight million, one hundred seventy thousand, two hundred seventy-two".