6651565054 has 64 divisors (see below), whose sum is σ = 10668672000. Its totient is φ = 3106920960.

The previous prime is 6651565051. The next prime is 6651565093. The reversal of 6651565054 is 4505651566.

It is a self number, because there is not a number n which added to its sum of digits gives 6651565054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6651565051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47852917 + ... + 47853055.

It is an arithmetic number, because the mean of its divisors is an integer number (166698000).

Almost surely, 2^6651565054 is an apocalyptic number.

6651565054 is a deficient number, since it is larger than the sum of its proper divisors (4017106946).

6651565054 is a wasteful number, since it uses less digits than its factorization.

6651565054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433.

The product of its (nonzero) digits is 540000, while the sum is 43.

The square root of 6651565054 is about 81557.1275487311. The cubic root of 6651565054 is about 1880.6498671910.

The spelling of 6651565054 in words is "six billion, six hundred fifty-one million, five hundred sixty-five thousand, fifty-four".