6416544001 has 4 divisors (see below), whose sum is σ = 7333193152. Its totient is φ = 5499894852.

The previous prime is 6416543921. The next prime is 6416544023. The reversal of 6416544001 is 1004456146.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6416544001 - 2⁷ = 6416543873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6416544061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 458324565 + ... + 458324578.

It is an arithmetic number, because the mean of its divisors is an integer number (1833298288).

Almost surely, 2^6416544001 is an apocalyptic number.

It is an amenable number.

6416544001 is a deficient number, since it is larger than the sum of its proper divisors (916649151).

6416544001 is an equidigital number, since it uses as much as digits as its factorization.

6416544001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916649150.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 6416544001 is about 80103.3332702204. Note that the first 3 decimals coincide. The cubic root of 6416544001 is about 1858.2339579741.

The spelling of 6416544001 in words is "six billion, four hundred sixteen million, five hundred forty-four thousand, one".