27306221016 has 32 divisors (see below), whose sum is σ = 68471812800. Its totient is φ = 9074572320.

The previous prime is 27306221011. The next prime is 27306221021. The reversal of 27306221016 is 61012260372.

It is an interprime number because it is at equal distance from previous prime (27306221011) and next prime (27306221021).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27306221011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1710726 + ... + 1726613.

It is an arithmetic number, because the mean of its divisors is an integer number (2139744150).

Almost surely, 2^27306221016 is an apocalyptic number.

It is an amenable number.

27306221016 is an abundant number, since it is smaller than the sum of its proper divisors (41165591784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27306221016 is a wasteful number, since it uses less digits than its factorization.

27306221016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3437679 (or 3437675 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

Adding to 27306221016 its reverse (61012260372), we get a palindrome (88318481388).

The spelling of 27306221016 in words is "twenty-seven billion, three hundred six million, two hundred twenty-one thousand, sixteen".