15016005648 has 120 divisors (see below), whose sum is σ = 48053720000. Its totient is φ = 4287935232.

The previous prime is 15016005643. The next prime is 15016005677. The reversal of 15016005648 is 84650061051.

15016005648 is a `hidden beast` number, since 1 + 5 + 0 + 1 + 6 + 0 + 0 + 5 + 648 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (15016005643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2768283 + ... + 2773701.

Almost surely, 2^15016005648 is an apocalyptic number.

15016005648 is a gapful number since it is divisible by the number (18) 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 15016005648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24026860000).

15016005648 is an abundant number, since it is smaller than the sum of its proper divisors (33037714352).

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

15016005648 is a wasteful number, since it uses less digits than its factorization.

15016005648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8189 (or 8180 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

Adding to 15016005648 its reverse (84650061051), we get a palindrome (99666066699).

The spelling of 15016005648 in words is "fifteen billion, sixteen million, five thousand, six hundred forty-eight".