3666877617 has 16 divisors (see below), whose sum is σ = 5296798080. Its totient is φ = 2243023872.

The previous prime is 3666877579. The next prime is 3666877651. The reversal of 3666877617 is 7167786663.

It is a happy number.

It is not a de Polignac number, because 3666877617 - 2¹⁰ = 3666876593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3666877217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 274992 + ... + 288017.

It is an arithmetic number, because the mean of its divisors is an integer number (331049880).

Almost surely, 2^3666877617 is an apocalyptic number.

It is an amenable number.

3666877617 is a deficient number, since it is larger than the sum of its proper divisors (1629920463).

3666877617 is a wasteful number, since it uses less digits than its factorization.

3666877617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563192.

The product of its digits is 10668672, while the sum is 57.

The square root of 3666877617 is about 60554.7489219467. The cubic root of 3666877617 is about 1542.0512409773.

The spelling of 3666877617 in words is "three billion, six hundred sixty-six million, eight hundred seventy-seven thousand, six hundred seventeen".