3505460661 has 12 divisors (see below), whose sum is σ = 5065866988. Its totient is φ = 2335855104.

The previous prime is 3505460653. The next prime is 3505460671. The reversal of 3505460661 is 1660645053.

3505460661 is a `hidden beast` number, since 3 + 50 + 546 + 0 + 6 + 61 = 666.

3505460661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 161036100 + 3344424561 = 12690^2 + 57831^2 .

It is not a de Polignac number, because 3505460661 - 2³ = 3505460653 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 (3505460671) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73150 + ... + 111183.

Almost surely, 2^3505460661 is an apocalyptic number.

It is an amenable number.

3505460661 is a deficient number, since it is larger than the sum of its proper divisors (1560406327).

3505460661 is a wasteful number, since it uses less digits than its factorization.

3505460661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186452 (or 186449 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 3505460661 is about 59206.9308527304. The cubic root of 3505460661 is about 1519.0836843601.

It can be divided in two parts, 3505 and 460661, that added together give a triangular number (464166 = T₉₆₃).

The spelling of 3505460661 in words is "three billion, five hundred five million, four hundred sixty thousand, six hundred sixty-one".