64560099 has 8 divisors (see below), whose sum is σ = 86261760. Its totient is φ = 42949256.

The previous prime is 64560077. The next prime is 64560131. The reversal of 64560099 is 99006546.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64560099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64560299) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21027 + ... + 23900.

It is an arithmetic number, because the mean of its divisors is an integer number (10782720).

Almost surely, 2^64560099 is an apocalyptic number.

64560099 is a deficient number, since it is larger than the sum of its proper divisors (21701661).

64560099 is a wasteful number, since it uses less digits than its factorization.

64560099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45409.

The product of its (nonzero) digits is 58320, while the sum is 39.

The square root of 64560099 is about 8034.9299312440. The cubic root of 64560099 is about 401.1634853898.

The spelling of 64560099 in words is "sixty-four million, five hundred sixty thousand, ninety-nine".