3210116864 has 72 divisors (see below), whose sum is σ = 6541519488. Its totient is φ = 1571834880.

The previous prime is 3210116863. The next prime is 3210116869. The reversal of 3210116864 is 4686110123.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 3210116864.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3210116863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3618629 + ... + 3619515.

Almost surely, 2^3210116864 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 3210116864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3270759744).

3210116864 is an abundant number, since it is smaller than the sum of its proper divisors (3331402624).

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

3210116864 is an equidigital number, since it uses as much as digits as its factorization.

3210116864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1181 (or 1167 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 3210116864 is about 56657.8932188623. The cubic root of 3210116864 is about 1475.1639176635.

Adding to 3210116864 its reverse (4686110123), we get a palindrome (7896226987).

The spelling of 3210116864 in words is "three billion, two hundred ten million, one hundred sixteen thousand, eight hundred sixty-four".