461533664 has 24 divisors (see below), whose sum is σ = 910179648. Its totient is φ = 230376960.

The previous prime is 461533661. The next prime is 461533727. The reversal of 461533664 is 466335164.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461533661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7544 + ... + 31304.

It is an arithmetic number, because the mean of its divisors is an integer number (37924152).

Almost surely, 2^461533664 is an apocalyptic number.

It is an amenable number.

461533664 is a deficient number, since it is larger than the sum of its proper divisors (448645984).

461533664 is a wasteful number, since it uses less digits than its factorization.

461533664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24378 (or 24370 counting only the distinct ones).

The product of its digits is 155520, while the sum is 38.

The square root of 461533664 is about 21483.3345642617. The cubic root of 461533664 is about 772.8012120855.

The spelling of 461533664 in words is "four hundred sixty-one million, five hundred thirty-three thousand, six hundred sixty-four".