3660501617 has 4 divisors (see below), whose sum is σ = 3660710820. Its totient is φ = 3660292416.

The previous prime is 3660501587. The next prime is 3660501641. The reversal of 3660501617 is 7161050663.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7161050663 = 13 ⋅550850051.

It can be written as a sum of positive squares in 2 ways, for example, as 2057620321 + 1602881296 = 45361^2 + 40036^2 .

It is a cyclic number.

It is not a de Polignac number, because 3660501617 - 2⁶ = 3660501553 is a prime.

It is a super-2 number, since 2×3660501617² = 26798544176119229378, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3660501667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75692 + ... + 114237.

It is an arithmetic number, because the mean of its divisors is an integer number (915177705).

Almost surely, 2^3660501617 is an apocalyptic number.

It is an amenable number.

3660501617 is a deficient number, since it is larger than the sum of its proper divisors (209203).

3660501617 is a wasteful number, since it uses less digits than its factorization.

3660501617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209202.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 3660501617 is about 60502.0794436026. The cubic root of 3660501617 is about 1541.1569448870.

The spelling of 3660501617 in words is "three billion, six hundred sixty million, five hundred one thousand, six hundred seventeen".