3616311043621 has 16 divisors (see below), whose sum is σ = 3767642968320. Its totient is φ = 3467996097280.

The previous prime is 3616311043619. The next prime is 3616311043627. The reversal of 3616311043621 is 1263401136163.

It is a cyclic number.

It is not a de Polignac number, because 3616311043621 - 2¹ = 3616311043619 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3616311043627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29312361 + ... + 29435473.

It is an arithmetic number, because the mean of its divisors is an integer number (235477685520).

Almost surely, 2^{3616311043621} is an apocalyptic number.

It is an amenable number.

3616311043621 is a deficient number, since it is larger than the sum of its proper divisors (151331924699).

3616311043621 is a wasteful number, since it uses less digits than its factorization.

3616311043621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135356.

The product of its (nonzero) digits is 46656, while the sum is 37.

Adding to 3616311043621 its reverse (1263401136163), we get a palindrome (4879712179784).

The spelling of 3616311043621 in words is "three trillion, six hundred sixteen billion, three hundred eleven million, forty-three thousand, six hundred twenty-one".