6466116445 has 8 divisors (see below), whose sum is σ = 7782783840. Its totient is φ = 5157263760.

The previous prime is 6466116407. The next prime is 6466116479. The reversal of 6466116445 is 5446116646.

It is a happy number.

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

It is not a de Polignac number, because 6466116445 - 2¹¹ = 6466114397 is a prime.

It is a congruent number.

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, 1951855 + ... + 1955164.

It is an arithmetic number, because the mean of its divisors is an integer number (972847980).

Almost surely, 2^6466116445 is an apocalyptic number.

It is an amenable number.

6466116445 is a deficient number, since it is larger than the sum of its proper divisors (1316667395).

6466116445 is a wasteful number, since it uses less digits than its factorization.

6466116445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3907355.

The product of its digits is 414720, while the sum is 43.

The square root of 6466116445 is about 80412.1660260436. The cubic root of 6466116445 is about 1863.0070875474.

The spelling of 6466116445 in words is "six billion, four hundred sixty-six million, one hundred sixteen thousand, four hundred forty-five".