18683516853350 has 24 divisors (see below), whose sum is σ = 34851489337368. Its totient is φ = 7451869539200.

The previous prime is 18683516853347. The next prime is 18683516853367. The reversal of 18683516853350 is 5335861538681.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 538412531 + ... + 538447230.

It is an arithmetic number, because the mean of its divisors is an integer number (1452145389057).

Almost surely, 2^{18683516853350} is an apocalyptic number.

18683516853350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18683516853350 is a deficient number, since it is larger than the sum of its proper divisors (16167972484018).

18683516853350 is a wasteful number, since it uses less digits than its factorization.

18683516853350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1076860120 (or 1076860115 counting only the distinct ones).

The product of its (nonzero) digits is 62208000, while the sum is 62.

The spelling of 18683516853350 in words is "eighteen trillion, six hundred eighty-three billion, five hundred sixteen million, eight hundred fifty-three thousand, three hundred fifty".