18705759466 has 16 divisors (see below), whose sum is σ = 28715125824. Its totient is φ = 9134110944.

The previous prime is 18705759463. The next prime is 18705759469. The reversal of 18705759466 is 66495750781.

It is an interprime number because it is at equal distance from previous prime (18705759463) and next prime (18705759469).

It is a self number, because there is not a number n which added to its sum of digits gives 18705759466.

It is not an unprimeable number, because it can be changed into a prime (18705759463) 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, 1045750 + ... + 1063486.

It is an arithmetic number, because the mean of its divisors is an integer number (1794695364).

Almost surely, 2^18705759466 is an apocalyptic number.

18705759466 is a deficient number, since it is larger than the sum of its proper divisors (10009366358).

18705759466 is a wasteful number, since it uses less digits than its factorization.

18705759466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30045.

The product of its (nonzero) digits is 12700800, while the sum is 58.

The spelling of 18705759466 in words is "eighteen billion, seven hundred five million, seven hundred fifty-nine thousand, four hundred sixty-six".