3218068485632 has 640 divisors, whose sum is σ = 8917877219328. Its totient is φ = 1119544934400.

The previous prime is 3218068485623. The next prime is 3218068485641. The reversal of 3218068485632 is 2365848608123.

It is an interprime number because it is at equal distance from previous prime (3218068485623) and next prime (3218068485641).

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4228736132 + ... + 4228736892.

Almost surely, 2^{3218068485632} is an apocalyptic number.

3218068485632 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 3218068485632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4458938609664).

3218068485632 is an abundant number, since it is smaller than the sum of its proper divisors (5699808733696).

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

3218068485632 is a wasteful number, since it uses less digits than its factorization.

3218068485632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070 (or 1054 counting only the distinct ones).

The product of its (nonzero) digits is 13271040, while the sum is 56.

The spelling of 3218068485632 in words is "three trillion, two hundred eighteen billion, sixty-eight million, four hundred eighty-five thousand, six hundred thirty-two".