3561898168 has 16 divisors (see below), whose sum is σ = 6719534280. Its totient is φ = 1770022368.

The previous prime is 3561898147. The next prime is 3561898169. The reversal of 3561898168 is 8618981653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3561898169) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1364455 + ... + 1367062.

Almost surely, 2^3561898168 is an apocalyptic number.

It is an amenable number.

3561898168 is a deficient number, since it is larger than the sum of its proper divisors (3157636112).

3561898168 is a wasteful number, since it uses less digits than its factorization.

3561898168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2731686 (or 2731682 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 55.

The square root of 3561898168 is about 59681.6401249161. The cubic root of 3561898168 is about 1527.1926774688.

The spelling of 3561898168 in words is "three billion, five hundred sixty-one million, eight hundred ninety-eight thousand, one hundred sixty-eight".