461161836 has 30 divisors (see below), whose sum is σ = 1205568980. Its totient is φ = 153720504.

The previous prime is 461161807. The next prime is 461161837. The reversal of 461161836 is 638161164.

461161836 is a `hidden beast` number, since 4 + 6 + 1 + 1 + 618 + 36 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 461161836.

It is not an unprimeable number, because it can be changed into a prime (461161837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 711346 + ... + 711993.

Almost surely, 2^461161836 is an apocalyptic number.

It is an amenable number.

461161836 is an abundant number, since it is smaller than the sum of its proper divisors (744407144).

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

461161836 is a wasteful number, since it uses less digits than its factorization.

461161836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1423355 (or 1423344 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 461161836 is about 21474.6789498702. The cubic root of 461161836 is about 772.5936242450.

The spelling of 461161836 in words is "four hundred sixty-one million, one hundred sixty-one thousand, eight hundred thirty-six".