18071070670747 has 4 divisors (see below), whose sum is σ = 18071149672440. Its totient is φ = 18070991669056.

The previous prime is 18071070670727. The next prime is 18071070670771. The reversal of 18071070670747 is 74707607017081.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 18071070670747 - 2²⁷ = 18070936453019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18071070670727) 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, 39156733 + ... + 39615550.

It is an arithmetic number, because the mean of its divisors is an integer number (4517787418110).

Almost surely, 2^{18071070670747} is an apocalyptic number.

18071070670747 is a deficient number, since it is larger than the sum of its proper divisors (79001693).

18071070670747 is an equidigital number, since it uses as much as digits as its factorization.

18071070670747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79001692.

The product of its (nonzero) digits is 3226944, while the sum is 55.

The spelling of 18071070670747 in words is "eighteen trillion, seventy-one billion, seventy million, six hundred seventy thousand, seven hundred forty-seven".