389526116616 has 288 divisors, whose sum is σ = 1362947839200. Its totient is φ = 102731690880.

The previous prime is 389526116587. The next prime is 389526116701. The reversal of 389526116616 is 616611625983.

389526116616 is a `hidden beast` number, since 3 + 8 + 9 + 5 + 2 + 6 + 1 + 16 + 616 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1679811 + ... + 1897581.

It is an arithmetic number, because the mean of its divisors is an integer number (4732457775).

Almost surely, 2^389526116616 is an apocalyptic number.

389526116616 is a gapful number since it is divisible by the number (36) 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 389526116616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (681473919600).

389526116616 is an abundant number, since it is smaller than the sum of its proper divisors (973421722584).

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

389526116616 is a wasteful number, since it uses less digits than its factorization.

389526116616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217826 (or 217796 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 54.

The spelling of 389526116616 in words is "three hundred eighty-nine billion, five hundred twenty-six million, one hundred sixteen thousand, six hundred sixteen".