3247051664 has 40 divisors (see below), whose sum is σ = 6646018080. Its totient is φ = 1532563200.

The previous prime is 3247051651. The next prime is 3247051667. The reversal of 3247051664 is 4661507423.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (3247051667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66419 + ... + 104429.

It is an arithmetic number, because the mean of its divisors is an integer number (166150452).

Almost surely, 2^3247051664 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 3247051664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3323009040).

3247051664 is an abundant number, since it is smaller than the sum of its proper divisors (3398966416).

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

3247051664 is a wasteful number, since it uses less digits than its factorization.

3247051664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38319 (or 38313 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 38.

The square root of 3247051664 is about 56982.9067703640. The cubic root of 3247051664 is about 1480.7999790049.

The spelling of 3247051664 in words is "three billion, two hundred forty-seven million, fifty-one thousand, six hundred sixty-four".