413156661 has 16 divisors (see below), whose sum is σ = 584573184. Its totient is φ = 258660864.

The previous prime is 413156657. The next prime is 413156683. The reversal of 413156661 is 166651314.

It is not a de Polignac number, because 413156661 - 2² = 413156657 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (413156621) 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 15 ways as a sum of consecutive naturals, for example, 14865 + ... + 32361.

It is an arithmetic number, because the mean of its divisors is an integer number (36535824).

Almost surely, 2^413156661 is an apocalyptic number.

It is an amenable number.

413156661 is a deficient number, since it is larger than the sum of its proper divisors (171416523).

413156661 is a wasteful number, since it uses less digits than its factorization.

413156661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17980.

The product of its digits is 12960, while the sum is 33.

The square root of 413156661 is about 20326.2554593806. The cubic root of 413156661 is about 744.7975733380.

The spelling of 413156661 in words is "four hundred thirteen million, one hundred fifty-six thousand, six hundred sixty-one".