3115681632 has 192 divisors, whose sum is σ = 10518681600. Its totient is φ = 878791680.

The previous prime is 3115681631. The next prime is 3115681643. The reversal of 3115681632 is 2361865113.

3115681632 is a `hidden beast` number, since 3 + 1 + 15 + 6 + 8 + 1 + 632 = 666.

3115681632 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3115681631) 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, 474532 + ... + 481052.

It is an arithmetic number, because the mean of its divisors is an integer number (54784800).

Almost surely, 2^3115681632 is an apocalyptic number.

3115681632 is a gapful number since it is divisible by the number (32) 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 3115681632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5259340800).

3115681632 is an abundant number, since it is smaller than the sum of its proper divisors (7402999968).

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

3115681632 is a wasteful number, since it uses less digits than its factorization.

3115681632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6626 (or 6612 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 3115681632 is about 55818.2911956287. The cubic root of 3115681632 is about 1460.5542450660.

The spelling of 3115681632 in words is "three billion, one hundred fifteen million, six hundred eighty-one thousand, six hundred thirty-two".