3666530461 has 4 divisors (see below), whose sum is σ = 3999851424. Its totient is φ = 3333209500.

The previous prime is 3666530443. The next prime is 3666530467. The reversal of 3666530461 is 1640356663.

3666530461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3666530461 - 2⁹ = 3666529949 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 (3666530467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166660465 + ... + 166660486.

It is an arithmetic number, because the mean of its divisors is an integer number (999962856).

Almost surely, 2^3666530461 is an apocalyptic number.

It is an amenable number.

3666530461 is a deficient number, since it is larger than the sum of its proper divisors (333320963).

3666530461 is a wasteful number, since it uses less digits than its factorization.

3666530461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333320962.

The product of its (nonzero) digits is 233280, while the sum is 40.

The square root of 3666530461 is about 60551.8823902280. The cubic root of 3666530461 is about 1542.0025756648.

The spelling of 3666530461 in words is "three billion, six hundred sixty-six million, five hundred thirty thousand, four hundred sixty-one".