64516005001 has 8 divisors (see below), whose sum is σ = 73738019520. Its totient is φ = 55295351088.

The previous prime is 64516004999. The next prime is 64516005101. The reversal of 64516005001 is 10050061546.

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

It is a cyclic number.

It is not a de Polignac number, because 64516005001 - 2¹ = 64516004999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64516005101) 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, 236431 + ... + 430036.

It is an arithmetic number, because the mean of its divisors is an integer number (9217252440).

Almost surely, 2^64516005001 is an apocalyptic number.

It is an amenable number.

64516005001 is a deficient number, since it is larger than the sum of its proper divisors (9222014519).

64516005001 is a wasteful number, since it uses less digits than its factorization.

64516005001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680303.

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 64516005001 its reverse (10050061546), we get a palindrome (74566066547).

The spelling of 64516005001 in words is "sixty-four billion, five hundred sixteen million, five thousand, one".