465998566 has 16 divisors (see below), whose sum is σ = 772991568. Its totient is φ = 208915200.

The previous prime is 465998563. The next prime is 465998567. The reversal of 465998566 is 665899564.

It is a self number, because there is not a number n which added to its sum of digits gives 465998566.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (465998563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143475 + ... + 146686.

It is an arithmetic number, because the mean of its divisors is an integer number (48311973).

Almost surely, 2^465998566 is an apocalyptic number.

465998566 is a deficient number, since it is larger than the sum of its proper divisors (306993002).

465998566 is a wasteful number, since it uses less digits than its factorization.

465998566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290247.

The product of its digits is 13996800, while the sum is 58.

The square root of 465998566 is about 21586.9999305137. Note that the first 4 decimals coincide. The cubic root of 465998566 is about 775.2852594019.

The spelling of 465998566 in words is "four hundred sixty-five million, nine hundred ninety-eight thousand, five hundred sixty-six".