465581016 has 48 divisors (see below), whose sum is σ = 1327318200. Its totient is φ = 147025152.

The previous prime is 465581003. The next prime is 465581021. The reversal of 465581016 is 610185564.

465581016 is a `hidden beast` number, since 4 + 65 + 581 + 0 + 16 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 168801 + ... + 171536.

Almost surely, 2^465581016 is an apocalyptic number.

It is an amenable number.

465581016 is an abundant number, since it is smaller than the sum of its proper divisors (861737184).

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

465581016 is a wasteful number, since it uses less digits than its factorization.

465581016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340368 (or 340361 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 465581016 is about 21577.3264330871. The cubic root of 465581016 is about 775.0536298649.

It can be divided in two parts, 4655810 and 16, that added together give a triangular number (4655826 = T₃₀₅₁).

The spelling of 465581016 in words is "four hundred sixty-five million, five hundred eighty-one thousand, sixteen".