410746661 has 16 divisors (see below), whose sum is σ = 453826800. Its totient is φ = 369408000.

The previous prime is 410746643. The next prime is 410746681. The reversal of 410746661 is 166647014.

It can be written as a sum of positive squares in 8 ways, for example, as 127464100 + 283282561 = 11290^2 + 16831^2 .

It is not a de Polignac number, because 410746661 - 2²² = 406552357 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 (410746601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100661 + ... + 104661.

It is an arithmetic number, because the mean of its divisors is an integer number (28364175).

Almost surely, 2^410746661 is an apocalyptic number.

It is an amenable number.

410746661 is a deficient number, since it is larger than the sum of its proper divisors (43080139).

410746661 is a wasteful number, since it uses less digits than its factorization.

410746661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4216.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 410746661 is about 20266.8858239247. The cubic root of 410746661 is about 743.3465792693.

The spelling of 410746661 in words is "four hundred ten million, seven hundred forty-six thousand, six hundred sixty-one".