3561016144 has 20 divisors (see below), whose sum is σ = 7885107424. Its totient is φ = 1526149728.

The previous prime is 3561016141. The next prime is 3561016153. The reversal of 3561016144 is 4416101653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3561016141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15897282 + ... + 15897505.

Almost surely, 2^3561016144 is an apocalyptic number.

It is an amenable number.

3561016144 is an abundant number, since it is smaller than the sum of its proper divisors (4324091280).

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

3561016144 is a wasteful number, since it uses less digits than its factorization.

3561016144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31794802 (or 31794796 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 3561016144 is about 59674.2502592198. The cubic root of 3561016144 is about 1527.0666087519.

Adding to 3561016144 its reverse (4416101653), we get a palindrome (7977117797).

The spelling of 3561016144 in words is "three billion, five hundred sixty-one million, sixteen thousand, one hundred forty-four".