3661736530 has 8 divisors (see below), whose sum is σ = 6591125772. Its totient is φ = 1464694608.

The previous prime is 3661736513. The next prime is 3661736531. The reversal of 3661736530 is 356371663.

It can be written as a sum of positive squares in 2 ways, for example, as 3606843249 + 54893281 = 60057^2 + 7409^2 .

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

It is not an unprimeable number, because it can be changed into a prime (3661736531) 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, 183086817 + ... + 183086836.

Almost surely, 2^3661736530 is an apocalyptic number.

3661736530 is a deficient number, since it is larger than the sum of its proper divisors (2929389242).

3661736530 is a wasteful number, since it uses less digits than its factorization.

3661736530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366173660.

The product of its (nonzero) digits is 204120, while the sum is 40.

The square root of 3661736530 is about 60512.2841247957. The cubic root of 3661736530 is about 1541.3302345036.

The spelling of 3661736530 in words is "three billion, six hundred sixty-one million, seven hundred thirty-six thousand, five hundred thirty".