461505166 has 16 divisors (see below), whose sum is σ = 725251968. Its totient is φ = 219835000.

The previous prime is 461505157. The next prime is 461505167. The reversal of 461505166 is 661505164.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461505167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8440 + ... + 31531.

It is an arithmetic number, because the mean of its divisors is an integer number (45328248).

Almost surely, 2^461505166 is an apocalyptic number.

461505166 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

461505166 is a deficient number, since it is larger than the sum of its proper divisors (263746802).

461505166 is a wasteful number, since it uses less digits than its factorization.

461505166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40247.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 461505166 is about 21482.6712957211. The cubic root of 461505166 is about 772.7853058841.

The spelling of 461505166 in words is "four hundred sixty-one million, five hundred five thousand, one hundred sixty-six".