6415220269816 has 16 divisors (see below), whose sum is σ = 12028619730240. Its totient is φ = 3207588341760.

The previous prime is 6415220269781. The next prime is 6415220269817. The reversal of 6415220269816 is 6189620225146.

It is a super-2 number, since 2×6415220269816² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6415220269817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1437321 + ... + 3859576.

It is an arithmetic number, because the mean of its divisors is an integer number (751788733140).

Almost surely, 2^{6415220269816} is an apocalyptic number.

It is an amenable number.

6415220269816 is a deficient number, since it is larger than the sum of its proper divisors (5613399460424).

6415220269816 is a wasteful number, since it uses less digits than its factorization.

6415220269816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5448294 (or 5448290 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 52.

The spelling of 6415220269816 in words is "six trillion, four hundred fifteen billion, two hundred twenty million, two hundred sixty-nine thousand, eight hundred sixteen".