3561166616 has 32 divisors (see below), whose sum is σ = 7653104640. Its totient is φ = 1521807648.

The previous prime is 3561166597. The next prime is 3561166657. The reversal of 3561166616 is 6166611653.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72200 + ... + 111063.

It is an arithmetic number, because the mean of its divisors is an integer number (239159520).

Almost surely, 2^3561166616 is an apocalyptic number.

It is an amenable number.

3561166616 is an abundant number, since it is smaller than the sum of its proper divisors (4091938024).

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

3561166616 is a wasteful number, since it uses less digits than its factorization.

3561166616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183623 (or 183619 counting only the distinct ones).

The product of its digits is 116640, while the sum is 41.

The square root of 3561166616 is about 59675.5110242049. The cubic root of 3561166616 is about 1527.0881173626.

The spelling of 3561166616 in words is "three billion, five hundred sixty-one million, one hundred sixty-six thousand, six hundred sixteen".