3661177068 has 18 divisors (see below), whose sum is σ = 9254642124. Its totient is φ = 1220392344.

The previous prime is 3661177049. The next prime is 3661177081. The reversal of 3661177068 is 8607711663.

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50849646 + ... + 50849717.

Almost surely, 2^3661177068 is an apocalyptic number.

It is an amenable number.

3661177068 is an abundant number, since it is smaller than the sum of its proper divisors (5593465056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3661177068 is a wasteful number, since it uses less digits than its factorization.

3661177068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101699373 (or 101699368 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 3661177068 is about 60507.6612339297. The cubic root of 3661177068 is about 1541.2517326226.

The spelling of 3661177068 in words is "three billion, six hundred sixty-one million, one hundred seventy-seven thousand, sixty-eight".