413815661 has 8 divisors (see below), whose sum is σ = 473299200. Its totient is φ = 354423888.

The previous prime is 413815637. The next prime is 413815663. The reversal of 413815661 is 166518314.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 413815661 - 2¹⁰ = 413814637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (413815663) 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, 12986 + ... + 31563.

It is an arithmetic number, because the mean of its divisors is an integer number (59162400).

Almost surely, 2^413815661 is an apocalyptic number.

It is an amenable number.

413815661 is a deficient number, since it is larger than the sum of its proper divisors (59483539).

413815661 is a wasteful number, since it uses less digits than its factorization.

413815661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45883.

The product of its digits is 17280, while the sum is 35.

The square root of 413815661 is about 20342.4595612232. The cubic root of 413815661 is about 745.1933561153.

The spelling of 413815661 in words is "four hundred thirteen million, eight hundred fifteen thousand, six hundred sixty-one".