27103266061 has 4 divisors (see below), whose sum is σ = 27108245500. Its totient is φ = 27098286624.

The previous prime is 27103266037. The next prime is 27103266109. The reversal of 27103266061 is 16066230172.

It is a happy number.

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 17524729161 + 9578536900 = 132381^2 + 97870^2 .

It is a cyclic number.

It is not a de Polignac number, because 27103266061 - 2¹³ = 27103257869 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 (27103266161) 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, 2481546 + ... + 2492443.

It is an arithmetic number, because the mean of its divisors is an integer number (6777061375).

Almost surely, 2^27103266061 is an apocalyptic number.

It is an amenable number.

27103266061 is a deficient number, since it is larger than the sum of its proper divisors (4979439).

27103266061 is an equidigital number, since it uses as much as digits as its factorization.

27103266061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4979438.

The product of its (nonzero) digits is 18144, while the sum is 34.

The spelling of 27103266061 in words is "twenty-seven billion, one hundred three million, two hundred sixty-six thousand, sixty-one".