18377083386 has 64 divisors (see below), whose sum is σ = 41868610560. Its totient is φ = 5971345920.

The previous prime is 18377083381. The next prime is 18377083393. The reversal of 18377083386 is 68338077381.

18377083386 is a `hidden beast` number, since 183 + 7 + 7 + 0 + 83 + 386 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (18377083381) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 3466690 + ... + 3471986.

It is an arithmetic number, because the mean of its divisors is an integer number (654197040).

Almost surely, 2^18377083386 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18377083386, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20934305280).

18377083386 is an abundant number, since it is smaller than the sum of its proper divisors (23491527174).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18377083386 is a wasteful number, since it uses less digits than its factorization.

18377083386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6916 (or 6910 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 54.

The spelling of 18377083386 in words is "eighteen billion, three hundred seventy-seven million, eighty-three thousand, three hundred eighty-six".