3216514672 has 90 divisors (see below), whose sum is σ = 7477502312. Its totient is φ = 1312912128.

The previous prime is 3216514667. The next prime is 3216514723. The reversal of 3216514672 is 2764156123.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 13804668 + ... + 13804900.

Almost surely, 2^3216514672 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 3216514672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3738751156).

3216514672 is an abundant number, since it is smaller than the sum of its proper divisors (4260987640).

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

3216514672 is an equidigital number, since it uses as much as digits as its factorization.

3216514672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527 (or 265 counting only the distinct ones).

The product of its digits is 60480, while the sum is 37.

The square root of 3216514672 is about 56714.3251039806. The cubic root of 3216514672 is about 1476.1432747967.

The spelling of 3216514672 in words is "three billion, two hundred sixteen million, five hundred fourteen thousand, six hundred seventy-two".