411667664 has 10 divisors (see below), whose sum is σ = 797606130. Its totient is φ = 205833824.

The previous prime is 411667651. The next prime is 411667691. The reversal of 411667664 is 466766114.

It can be written as a sum of positive squares in only one way, i.e., 356907664 + 54760000 = 18892^2 + 7400^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12864599 + ... + 12864630.

It is an arithmetic number, because the mean of its divisors is an integer number (79760613).

Almost surely, 2^411667664 is an apocalyptic number.

It is an amenable number.

411667664 is a deficient number, since it is larger than the sum of its proper divisors (385938466).

411667664 is a wasteful number, since it uses less digits than its factorization.

411667664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25729237 (or 25729231 counting only the distinct ones).

The product of its digits is 145152, while the sum is 41.

The square root of 411667664 is about 20289.5949688504. The cubic root of 411667664 is about 743.9017579458.

The spelling of 411667664 in words is "four hundred eleven million, six hundred sixty-seven thousand, six hundred sixty-four".