3611421632 has 224 divisors, whose sum is σ = 9252655104. Its totient is φ = 1360281600.

The previous prime is 3611421631. The next prime is 3611421661. The reversal of 3611421632 is 2361241163.

3611421632 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (224).

It is a junction number, because it is equal to n+sod(n) for n = 3611421595 and 3611421604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3611421631) 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, 14985032 + ... + 14985272.

It is an arithmetic number, because the mean of its divisors is an integer number (41306496).

Almost surely, 2^3611421632 is an apocalyptic number.

3611421632 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 3611421632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4626327552).

3611421632 is an abundant number, since it is smaller than the sum of its proper divisors (5641233472).

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

3611421632 is a wasteful number, since it uses less digits than its factorization.

3611421632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387 (or 377 counting only the distinct ones).

The product of its digits is 5184, while the sum is 29.

The square root of 3611421632 is about 60095.1048921624. The cubic root of 3611421632 is about 1534.2379878112.

Adding to 3611421632 its reverse (2361241163), we get a palindrome (5972662795).

The spelling of 3611421632 in words is "three billion, six hundred eleven million, four hundred twenty-one thousand, six hundred thirty-two".