3297732816 has 160 divisors (see below), whose sum is σ = 9987932160. Its totient is φ = 918033408.

The previous prime is 3297732797. The next prime is 3297732821. The reversal of 3297732816 is 6182377923.

It is a super-3 number, since 3×3297732816³ (a number of 30 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5795380 + ... + 5795948.

It is an arithmetic number, because the mean of its divisors is an integer number (62424576).

Almost surely, 2^3297732816 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 3297732816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4993966080).

3297732816 is an abundant number, since it is smaller than the sum of its proper divisors (6690199344).

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

3297732816 is a wasteful number, since it uses less digits than its factorization.

3297732816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001 (or 995 counting only the distinct ones).

The product of its digits is 762048, while the sum is 48.

The square root of 3297732816 is about 57425.8897710780. The cubic root of 3297732816 is about 1488.4645257399.

The spelling of 3297732816 in words is "three billion, two hundred ninety-seven million, seven hundred thirty-two thousand, eight hundred sixteen".