181618096673 has 16 divisors (see below), whose sum is σ = 199320016896. Its totient is φ = 164450520000.

The previous prime is 181618096651. The next prime is 181618096703. The reversal of 181618096673 is 376690816181.

It is not a de Polignac number, because 181618096673 - 2¹⁶ = 181618031137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (181618096643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3701048 + ... + 3749798.

It is an arithmetic number, because the mean of its divisors is an integer number (12457501056).

Almost surely, 2^181618096673 is an apocalyptic number.

181618096673 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

181618096673 is a deficient number, since it is larger than the sum of its proper divisors (17701920223).

181618096673 is a wasteful number, since it uses less digits than its factorization.

181618096673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54224.

The product of its (nonzero) digits is 2612736, while the sum is 56.

The spelling of 181618096673 in words is "one hundred eighty-one billion, six hundred eighteen million, ninety-six thousand, six hundred seventy-three".