3676716661 has 4 divisors (see below), whose sum is σ = 3703168000. Its totient is φ = 3650265324.

The previous prime is 3676716649. The next prime is 3676716679. The reversal of 3676716661 is 1666176763.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1666176763 = 5081 ⋅327923.

It is a cyclic number.

It is not a de Polignac number, because 3676716661 - 2⁹ = 3676716149 is a prime.

It is a super-3 number, since 3×3676716661³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3676716061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13225461 + ... + 13225738.

It is an arithmetic number, because the mean of its divisors is an integer number (925792000).

Almost surely, 2^3676716661 is an apocalyptic number.

It is an amenable number.

3676716661 is a deficient number, since it is larger than the sum of its proper divisors (26451339).

3676716661 is a wasteful number, since it uses less digits than its factorization.

3676716661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26451338.

The product of its digits is 1143072, while the sum is 49.

The square root of 3676716661 is about 60635.9353931314. The cubic root of 3676716661 is about 1543.4292307882.

The spelling of 3676716661 in words is "three billion, six hundred seventy-six million, seven hundred sixteen thousand, six hundred sixty-one".