19148064 has 96 divisors (see below), whose sum is σ = 55177920. Its totient is φ = 5778432.

The previous prime is 19148057. The next prime is 19148081. The reversal of 19148064 is 46084191.

It is a tau number, because it is divible by the number of its divisors (96).

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, 83502 + ... + 83730.

It is an arithmetic number, because the mean of its divisors is an integer number (574770).

Almost surely, 2^19148064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19148064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27588960).

19148064 is an abundant number, since it is smaller than the sum of its proper divisors (36029856).

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

19148064 is a wasteful number, since it uses less digits than its factorization.

19148064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322 (or 314 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 19148064 is about 4375.8500888399. The cubic root of 19148064 is about 267.5315198541.

The spelling of 19148064 in words is "nineteen million, one hundred forty-eight thousand, sixty-four".