36554661441 has 12 divisors (see below), whose sum is σ = 53323962900. Its totient is φ = 24128488800.

The previous prime is 36554661439. The next prime is 36554661467. The reversal of 36554661441 is 14416645563.

36554661441 is a `hidden beast` number, since 3 + 6 + 5 + 546 + 61 + 4 + 41 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 35308289025 + 1246372416 = 187905^2 + 35304^2 .

It is not a de Polignac number, because 36554661441 - 2¹ = 36554661439 is a prime.

It is a super-2 number, since 2×36554661441² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (36554661421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20106166 + ... + 20107983.

It is an arithmetic number, because the mean of its divisors is an integer number (4443663575).

Almost surely, 2^36554661441 is an apocalyptic number.

It is an amenable number.

36554661441 is a deficient number, since it is larger than the sum of its proper divisors (16769301459).

36554661441 is a wasteful number, since it uses less digits than its factorization.

36554661441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40214256 (or 40214253 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 45.

The spelling of 36554661441 in words is "thirty-six billion, five hundred fifty-four million, six hundred sixty-one thousand, four hundred forty-one".