5271651612 has 96 divisors (see below), whose sum is σ = 15012211200. Its totient is φ = 1592338176.

The previous prime is 5271651611. The next prime is 5271651733. The reversal of 5271651612 is 2161561725.

5271651612 is a `hidden beast` number, since 5 + 27 + 16 + 5 + 1 + 612 = 666.

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 (5271651611) 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, 8653 + ... + 103044.

It is an arithmetic number, because the mean of its divisors is an integer number (156377200).

Almost surely, 2^5271651612 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 5271651612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7506105600).

5271651612 is an abundant number, since it is smaller than the sum of its proper divisors (9740559588).

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

5271651612 is a wasteful number, since it uses less digits than its factorization.

5271651612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111752 (or 111744 counting only the distinct ones).

The product of its digits is 25200, while the sum is 36.

The square root of 5271651612 is about 72606.1403188463. The cubic root of 5271651612 is about 1740.3993019387.

The spelling of 5271651612 in words is "five billion, two hundred seventy-one million, six hundred fifty-one thousand, six hundred twelve".