6216612402 has 192 divisors, whose sum is σ = 17063665920. Its totient is φ = 1468938240.

The previous prime is 6216612361. The next prime is 6216612433. The reversal of 6216612402 is 2042166126.

It is a self number, because there is not a number n which added to its sum of digits gives 6216612402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4822174 + ... + 4823462.

It is an arithmetic number, because the mean of its divisors is an integer number (88873260).

Almost surely, 2^6216612402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6216612402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8531832960).

6216612402 is an abundant number, since it is smaller than the sum of its proper divisors (10847053518).

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

6216612402 is a wasteful number, since it uses less digits than its factorization.

6216612402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1409 (or 1398 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 6216612402 is about 78845.4970305851. The cubic root of 6216612402 is about 1838.7298656030.

Adding to 6216612402 its reverse (2042166126), we get a palindrome (8258778528).

The spelling of 6216612402 in words is "six billion, two hundred sixteen million, six hundred twelve thousand, four hundred two".