6651062320 has 80 divisors (see below), whose sum is σ = 18712427328. Its totient is φ = 2146222080.

The previous prime is 6651062279. The next prime is 6651062357. The reversal of 6651062320 is 232601566.

It is a tau number, because it is divible by the number of its divisors (80).

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, 339801 + ... + 358840.

Almost surely, 2^6651062320 is an apocalyptic number.

It is an amenable number.

6651062320 is an abundant number, since it is smaller than the sum of its proper divisors (12061365008).

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

6651062320 is a wasteful number, since it uses less digits than its factorization.

6651062320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698678 (or 698672 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 6651062320 is about 81554.0453932238. The cubic root of 6651062320 is about 1880.6024853370.

Adding to 6651062320 its reverse (232601566), we get a palindrome (6883663886).

The spelling of 6651062320 in words is "six billion, six hundred fifty-one million, sixty-two thousand, three hundred twenty".