403606161 has 12 divisors (see below), whose sum is σ = 666270592. Its totient is φ = 230632056.

The previous prime is 403606141. The next prime is 403606169. The reversal of 403606161 is 161606304.

403606161 is a `hidden beast` number, since 40 + 3 + 6 + 0 + 616 + 1 = 666.

It is not a de Polignac number, because 403606161 - 2⁶ = 403606097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (403606169) 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 11 ways as a sum of consecutive naturals, for example, 3203161 + ... + 3203286.

Almost surely, 2^403606161 is an apocalyptic number.

It is an amenable number.

403606161 is a deficient number, since it is larger than the sum of its proper divisors (262664431).

403606161 is a wasteful number, since it uses less digits than its factorization.

403606161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6406460 (or 6406457 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 403606161 is about 20089.9517421023. The cubic root of 403606161 is about 739.0138806680.

It can be divided in two parts, 40 and 3606161, that added together give a square (3606201 = 1899²).

The spelling of 403606161 in words is "four hundred three million, six hundred six thousand, one hundred sixty-one".