3216502650 has 48 divisors (see below), whose sum is σ = 8234258688. Its totient is φ = 830064000.

The previous prime is 3216502621. The next prime is 3216502657. The reversal of 3216502650 is 562056123.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (3216502657) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 341211 + ... + 350510.

It is an arithmetic number, because the mean of its divisors is an integer number (171547056).

Almost surely, 2^3216502650 is an apocalyptic number.

3216502650 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3216502650 is an abundant number, since it is smaller than the sum of its proper divisors (5017756038).

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

3216502650 is a wasteful number, since it uses less digits than its factorization.

3216502650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691767 (or 691762 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 3216502650 is about 56714.2191165496. The cubic root of 3216502650 is about 1476.1414357236.

Adding to 3216502650 its reverse (562056123), we get a palindrome (3778558773).

The spelling of 3216502650 in words is "three billion, two hundred sixteen million, five hundred two thousand, six hundred fifty".