6546214920 has 256 divisors, whose sum is σ = 23721984000. Its totient is φ = 1412775936.

The previous prime is 6546214903. The next prime is 6546214949. The reversal of 6546214920 is 294126456.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1524136 + ... + 1528424.

It is an arithmetic number, because the mean of its divisors is an integer number (92664000).

Almost surely, 2^6546214920 is an apocalyptic number.

6546214920 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6546214920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11860992000).

6546214920 is an abundant number, since it is smaller than the sum of its proper divisors (17175769080).

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

6546214920 is a wasteful number, since it uses less digits than its factorization.

6546214920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4412 (or 4408 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 6546214920 is about 80908.6825995826. The cubic root of 6546214920 is about 1870.6681551490.

The spelling of 6546214920 in words is "six billion, five hundred forty-six million, two hundred fourteen thousand, nine hundred twenty".