6546633216 has 160 divisors (see below), whose sum is σ = 17919620928. Its totient is φ = 2123120640.

The previous prime is 6546633161. The next prime is 6546633271. The reversal of 6546633216 is 6123366456.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6546633161) and next prime (6546633271).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10025146 + ... + 10025798.

Almost surely, 2^6546633216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6546633216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8959810464).

6546633216 is an abundant number, since it is smaller than the sum of its proper divisors (11372987712).

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

6546633216 is a wasteful number, since it uses less digits than its factorization.

6546633216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842 (or 826 counting only the distinct ones).

The product of its digits is 466560, while the sum is 42.

The square root of 6546633216 is about 80911.2675466155. The cubic root of 6546633216 is about 1870.7079988526.

The spelling of 6546633216 in words is "six billion, five hundred forty-six million, six hundred thirty-three thousand, two hundred sixteen".