3661660607 has 8 divisors (see below), whose sum is σ = 3995016960. Its totient is φ = 3328383960.

The previous prime is 3661660577. The next prime is 3661660621. The reversal of 3661660607 is 7060661663.

It is a happy number.

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

It is not a de Polignac number, because 3661660607 - 2¹⁰ = 3661659583 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3661660687) 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, 117194 + ... + 145112.

It is an arithmetic number, because the mean of its divisors is an integer number (499377120).

Almost surely, 2^3661660607 is an apocalyptic number.

3661660607 is a deficient number, since it is larger than the sum of its proper divisors (333356353).

3661660607 is a wasteful number, since it uses less digits than its factorization.

3661660607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39853.

The product of its (nonzero) digits is 163296, while the sum is 41.

The square root of 3661660607 is about 60511.6567861102. The cubic root of 3661660607 is about 1541.3195817051.

The spelling of 3661660607 in words is "three billion, six hundred sixty-one million, six hundred sixty thousand, six hundred seven".