5123664560 has 40 divisors (see below), whose sum is σ = 13614310176. Its totient is φ = 1756684800.

The previous prime is 5123664509. The next prime is 5123664571. The reversal of 5123664560 is 654663215.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4574141 + ... + 4575260.

Almost surely, 2^5123664560 is an apocalyptic number.

It is an amenable number.

5123664560 is an abundant number, since it is smaller than the sum of its proper divisors (8490645616).

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

5123664560 is a wasteful number, since it uses less digits than its factorization.

5123664560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9149421 (or 9149415 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 38.

The square root of 5123664560 is about 71579.7775911605. Note that the first 3 decimals coincide. The cubic root of 5123664560 is about 1723.9588547520.

The spelling of 5123664560 in words is "five billion, one hundred twenty-three million, six hundred sixty-four thousand, five hundred sixty".