615116013984 has 240 divisors, whose sum is σ = 1902642255360. Its totient is φ = 194679313920.

The previous prime is 615116013973. The next prime is 615116013989. The reversal of 615116013984 is 489310611516.

615116013984 is a `hidden beast` number, since 6 + 1 + 5 + 1 + 1 + 601 + 39 + 8 + 4 = 666.

It is not an unprimeable number, because it can be changed into a prime (615116013989) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4186437 + ... + 4330875.

It is an arithmetic number, because the mean of its divisors is an integer number (7927676064).

Almost surely, 2^615116013984 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 615116013984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (951321127680).

615116013984 is an abundant number, since it is smaller than the sum of its proper divisors (1287526241376).

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

615116013984 is a wasteful number, since it uses less digits than its factorization.

615116013984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144545 (or 144528 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The spelling of 615116013984 in words is "six hundred fifteen billion, one hundred sixteen million, thirteen thousand, nine hundred eighty-four".