18406118350 has 24 divisors (see below), whose sum is σ = 34240788360. Its totient is φ = 7361284320.

The previous prime is 18406118327. The next prime is 18406118351. The reversal of 18406118350 is 5381160481.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18406118351) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 335989 + ... + 386911.

It is an arithmetic number, because the mean of its divisors is an integer number (1426699515).

Almost surely, 2^18406118350 is an apocalyptic number.

18406118350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18406118350 is a deficient number, since it is larger than the sum of its proper divisors (15834670010).

18406118350 is a wasteful number, since it uses less digits than its factorization.

18406118350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58164 (or 58159 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 37.

The spelling of 18406118350 in words is "eighteen billion, four hundred six million, one hundred eighteen thousand, three hundred fifty".