3361677633581 has 4 divisors (see below), whose sum is σ = 3361931377500. Its totient is φ = 3361423889664.

The previous prime is 3361677633521. The next prime is 3361677633607. The reversal of 3361677633581 is 1853367761633.

3361677633581 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 741054114025 + 2620623519556 = 860845^2 + 1618834^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3361677633581 is a prime.

It is a super-2 number, since 2×3361677633581² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3361677633581.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3361677633521) 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, 126852086 + ... + 126878583.

It is an arithmetic number, because the mean of its divisors is an integer number (840482844375).

Almost surely, 2^{3361677633581} is an apocalyptic number.

It is an amenable number.

3361677633581 is a deficient number, since it is larger than the sum of its proper divisors (253743919).

3361677633581 is a wasteful number, since it uses less digits than its factorization.

3361677633581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253743918.

The product of its digits is 34292160, while the sum is 59.

The spelling of 3361677633581 in words is "three trillion, three hundred sixty-one billion, six hundred seventy-seven million, six hundred thirty-three thousand, five hundred eighty-one".