18374577308 has 12 divisors (see below), whose sum is σ = 32473882392. Its totient is φ = 9096325200.

The previous prime is 18374577283. The next prime is 18374577311. The reversal of 18374577308 is 80377547381.

It is a self number, because there is not a number n which added to its sum of digits gives 18374577308.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22740410 + ... + 22741217.

It is an arithmetic number, because the mean of its divisors is an integer number (2706156866).

Almost surely, 2^18374577308 is an apocalyptic number.

It is an amenable number.

18374577308 is a deficient number, since it is larger than the sum of its proper divisors (14099305084).

18374577308 is a wasteful number, since it uses less digits than its factorization.

18374577308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45481732 (or 45481730 counting only the distinct ones).

The product of its (nonzero) digits is 3951360, while the sum is 53.

The spelling of 18374577308 in words is "eighteen billion, three hundred seventy-four million, five hundred seventy-seven thousand, three hundred eight".