3561742616 has 16 divisors (see below), whose sum is σ = 6715166640. Its totient is φ = 1771031520.

The previous prime is 3561742609. The next prime is 3561742633. The reversal of 3561742616 is 6162471653.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1228436 + ... + 1231331.

It is an arithmetic number, because the mean of its divisors is an integer number (419697915).

Almost surely, 2^3561742616 is an apocalyptic number.

It is an amenable number.

3561742616 is a deficient number, since it is larger than the sum of its proper divisors (3153424024).

3561742616 is a wasteful number, since it uses less digits than its factorization.

3561742616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2459954 (or 2459950 counting only the distinct ones).

The product of its digits is 181440, while the sum is 41.

The square root of 3561742616 is about 59680.3369293438. The cubic root of 3561742616 is about 1527.1704457521.

The spelling of 3561742616 in words is "three billion, five hundred sixty-one million, seven hundred forty-two thousand, six hundred sixteen".