465646566 has 64 divisors (see below), whose sum is σ = 1222225920. Its totient is φ = 114579360.

The previous prime is 465646561. The next prime is 465646607. The reversal of 465646566 is 665646564.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (465646561) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17746 + ... + 35301.

It is an arithmetic number, because the mean of its divisors is an integer number (19097280).

Almost surely, 2^465646566 is an apocalyptic number.

465646566 is an abundant number, since it is smaller than the sum of its proper divisors (756579354).

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

465646566 is a wasteful number, since it uses less digits than its factorization.

465646566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53089.

The product of its digits is 3110400, while the sum is 48.

The square root of 465646566 is about 21578.8453351888. The cubic root of 465646566 is about 775.0900018958.

The spelling of 465646566 in words is "four hundred sixty-five million, six hundred forty-six thousand, five hundred sixty-six".