19806107027 has 8 divisors (see below), whose sum is σ = 22700412000. Its totient is φ = 16928017344.

The previous prime is 19806106997. The next prime is 19806107039. The reversal of 19806107027 is 72070160891.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 19806107027 - 2¹² = 19806102931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19806107627) 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, 4051202 + ... + 4056087.

It is an arithmetic number, because the mean of its divisors is an integer number (2837551500).

Almost surely, 2^19806107027 is an apocalyptic number.

19806107027 is a deficient number, since it is larger than the sum of its proper divisors (2894304973).

19806107027 is an equidigital number, since it uses as much as digits as its factorization.

19806107027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8107645.

The product of its (nonzero) digits is 42336, while the sum is 41.

The spelling of 19806107027 in words is "nineteen billion, eight hundred six million, one hundred seven thousand, twenty-seven".