5641637112 has 96 divisors (see below), whose sum is σ = 15736032000. Its totient is φ = 1825162560.

The previous prime is 5641637107. The next prime is 5641637147. The reversal of 5641637112 is 2117361465.

5641637112 is a `hidden beast` number, since 5 + 6 + 4 + 1 + 637 + 1 + 12 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 327187 + ... + 343997.

It is an arithmetic number, because the mean of its divisors is an integer number (163917000).

Almost surely, 2^5641637112 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 5641637112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7868016000).

5641637112 is an abundant number, since it is smaller than the sum of its proper divisors (10094394888).

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

5641637112 is a wasteful number, since it uses less digits than its factorization.

5641637112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16961 (or 16954 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 5641637112 is about 75110.8321881738. The cubic root of 5641637112 is about 1780.1983021928.

Adding to 5641637112 its reverse (2117361465), we get a palindrome (7758998577).

It can be divided in two parts, 56416 and 37112, that added together give a triangular number (93528 = T₄₃₂).

The spelling of 5641637112 in words is "five billion, six hundred forty-one million, six hundred thirty-seven thousand, one hundred twelve".