1461664424 has 16 divisors (see below), whose sum is σ = 2989768320. Its totient is φ = 664392880.

The previous prime is 1461664423. The next prime is 1461664439. The reversal of 1461664424 is 4244661641.

It is not an unprimeable number, because it can be changed into a prime (1461664423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8304824 + ... + 8304999.

It is an arithmetic number, because the mean of its divisors is an integer number (186860520).

Almost surely, 2^1461664424 is an apocalyptic number.

It is an amenable number.

1461664424 is an abundant number, since it is smaller than the sum of its proper divisors (1528103896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1461664424 is a wasteful number, since it uses less digits than its factorization.

1461664424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16609840 (or 16609836 counting only the distinct ones).

The product of its digits is 110592, while the sum is 38.

The square root of 1461664424 is about 38231.7201287099. The cubic root of 1461664424 is about 1134.8781264729.

The spelling of 1461664424 in words is "one billion, four hundred sixty-one million, six hundred sixty-four thousand, four hundred twenty-four".