6466144 has 12 divisors (see below), whose sum is σ = 12730284. Its totient is φ = 3233056.

The previous prime is 6466133. The next prime is 6466147. The reversal of 6466144 is 4416646.

It is a super-2 number, since 2×6466144² = 83622036457472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6466147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101002 + ... + 101065.

It is an arithmetic number, because the mean of its divisors is an integer number (1060857).

Almost surely, 2^6466144 is an apocalyptic number.

It is an amenable number.

6466144 is a deficient number, since it is larger than the sum of its proper divisors (6264140).

6466144 is a wasteful number, since it uses less digits than its factorization.

6466144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202077 (or 202069 counting only the distinct ones).

The product of its digits is 13824, while the sum is 31.

The square root of 6466144 is about 2542.8613804138. The cubic root of 6466144 is about 186.3009733911.

The spelling of 6466144 in words is "six million, four hundred sixty-six thousand, one hundred forty-four".