27616011620 has 24 divisors (see below), whose sum is σ = 58021958904. Its totient is φ = 11041007616.

The previous prime is 27616011601. The next prime is 27616011623. The reversal of 27616011620 is 2611061672.

It can be written as a sum of positive squares in 4 ways, for example, as 6493458724 + 21122552896 = 80582^2 + 145336^2 .

It is not an unprimeable number, because it can be changed into a prime (27616011623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 295229 + ... + 377348.

It is an arithmetic number, because the mean of its divisors is an integer number (2417581621).

Almost surely, 2^27616011620 is an apocalyptic number.

27616011620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27616011620 is an abundant number, since it is smaller than the sum of its proper divisors (30405947284).

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

27616011620 is a wasteful number, since it uses less digits than its factorization.

27616011620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674639 (or 674637 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The spelling of 27616011620 in words is "twenty-seven billion, six hundred sixteen million, eleven thousand, six hundred twenty".