15161384448 has 480 divisors, whose sum is σ = 54265026816. Its totient is φ = 3976003584.

The previous prime is 15161384443. The next prime is 15161384449. The reversal of 15161384448 is 84448316151.

15161384448 is a `hidden beast` number, since 1 + 516 + 13 + 84 + 4 + 48 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15161384443) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23578815 + ... + 23579457.

Almost surely, 2^15161384448 is an apocalyptic number.

15161384448 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 15161384448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27132513408).

15161384448 is an abundant number, since it is smaller than the sum of its proper divisors (39103642368).

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

15161384448 is a wasteful number, since it uses less digits than its factorization.

15161384448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734 (or 715 counting only the distinct ones).

The product of its digits is 368640, while the sum is 45.

The spelling of 15161384448 in words is "fifteen billion, one hundred sixty-one million, three hundred eighty-four thousand, four hundred forty-eight".