481736664 has 24 divisors (see below), whose sum is σ = 1304703660. Its totient is φ = 160578864.

The previous prime is 481736657. The next prime is 481736669. The reversal of 481736664 is 466637184.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481736669) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3345322 + ... + 3345465.

Almost surely, 2^481736664 is an apocalyptic number.

It is an amenable number.

481736664 is an abundant number, since it is smaller than the sum of its proper divisors (822966996).

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

481736664 is a wasteful number, since it uses less digits than its factorization.

481736664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6690799 (or 6690792 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 481736664 is about 21948.5002676720. The cubic root of 481736664 is about 783.9166708256.

The spelling of 481736664 in words is "four hundred eighty-one million, seven hundred thirty-six thousand, six hundred sixty-four".