410515661 has 8 divisors (see below), whose sum is σ = 428573184. Its totient is φ = 392475600.

The previous prime is 410515649. The next prime is 410515717. The reversal of 410515661 is 166515014.

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

It is a cyclic number.

It is not a de Polignac number, because 410515661 - 2⁶ = 410515597 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 (410515601) 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, 73220 + ... + 78626.

It is an arithmetic number, because the mean of its divisors is an integer number (53571648).

Almost surely, 2^410515661 is an apocalyptic number.

It is an amenable number.

410515661 is a deficient number, since it is larger than the sum of its proper divisors (18057523).

410515661 is a wasteful number, since it uses less digits than its factorization.

410515661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8731.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 410515661 is about 20261.1860709091. The cubic root of 410515661 is about 743.2072027987.

The spelling of 410515661 in words is "four hundred ten million, five hundred fifteen thousand, six hundred sixty-one".