6216121424 has 20 divisors (see below), whose sum is σ = 12091726080. Its totient is φ = 3095676000.

The previous prime is 6216121423. The next prime is 6216121463. The reversal of 6216121424 is 4241216126.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6216121421) 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, 769904 + ... + 777935.

It is an arithmetic number, because the mean of its divisors is an integer number (604586304).

Almost surely, 2^6216121424 is an apocalyptic number.

It is an amenable number.

6216121424 is a deficient number, since it is larger than the sum of its proper divisors (5875604656).

6216121424 is a wasteful number, since it uses less digits than its factorization.

6216121424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1548098 (or 1548092 counting only the distinct ones).

The product of its digits is 4608, while the sum is 29.

The square root of 6216121424 is about 78842.3834241457. The cubic root of 6216121424 is about 1838.6814576909.

The spelling of 6216121424 in words is "six billion, two hundred sixteen million, one hundred twenty-one thousand, four hundred twenty-four".