6651365536 has 24 divisors (see below), whose sum is σ = 13108423104. Its totient is φ = 3322242240.

The previous prime is 6651365503. The next prime is 6651365543. The reversal of 6651365536 is 6355631566.

It is a super-3 number, since 3×6651365536³ (a number of 30 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75960 + ... + 138103.

It is an arithmetic number, because the mean of its divisors is an integer number (546184296).

Almost surely, 2^6651365536 is an apocalyptic number.

It is an amenable number.

6651365536 is a deficient number, since it is larger than the sum of its proper divisors (6457057568).

6651365536 is a wasteful number, since it uses less digits than its factorization.

6651365536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215044 (or 215036 counting only the distinct ones).

The product of its digits is 1458000, while the sum is 46.

The square root of 6651365536 is about 81555.9043601381. The cubic root of 6651365536 is about 1880.6310632328.

The spelling of 6651365536 in words is "six billion, six hundred fifty-one million, three hundred sixty-five thousand, five hundred thirty-six".