1024406661 has 4 divisors (see below), whose sum is σ = 1365875552. Its totient is φ = 682937772.

The previous prime is 1024406659. The next prime is 1024406671. The reversal of 1024406661 is 1666044201.

1024406661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 1024406661 - 2¹ = 1024406659 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1024406651) 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, 170734441 + ... + 170734446.

It is an arithmetic number, because the mean of its divisors is an integer number (341468888).

Almost surely, 2^1024406661 is an apocalyptic number.

It is an amenable number.

1024406661 is a deficient number, since it is larger than the sum of its proper divisors (341468891).

1024406661 is an equidigital number, since it uses as much as digits as its factorization.

1024406661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341468890.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 1024406661 is about 32006.3534474017. The cubic root of 1024406661 is about 1008.0702495368.

The spelling of 1024406661 in words is "one billion, twenty-four million, four hundred six thousand, six hundred sixty-one".