19016054148 has 96 divisors (see below), whose sum is σ = 54958537984. Its totient is φ = 4983234048.

The previous prime is 19016054147. The next prime is 19016054171. The reversal of 19016054148 is 84145061091.

It is a super-2 number, since 2×19016054148² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (19016054147) 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, 115986 + ... + 226902.

Almost surely, 2^19016054148 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 19016054148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27479268992).

19016054148 is an abundant number, since it is smaller than the sum of its proper divisors (35942483836).

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

19016054148 is a wasteful number, since it uses less digits than its factorization.

19016054148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111101 (or 111099 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 39.

The spelling of 19016054148 in words is "nineteen billion, sixteen million, fifty-four thousand, one hundred forty-eight".