18113726830 has 64 divisors (see below), whose sum is σ = 34157090880. Its totient is φ = 6907264000.

The previous prime is 18113726803. The next prime is 18113726837. The reversal of 18113726830 is 3862731181.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18113726837) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15259497 + ... + 15260683.

It is an arithmetic number, because the mean of its divisors is an integer number (533704545).

Almost surely, 2^18113726830 is an apocalyptic number.

18113726830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18113726830 is a deficient number, since it is larger than the sum of its proper divisors (16043364050).

18113726830 is a wasteful number, since it uses less digits than its factorization.

18113726830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1845.

The product of its (nonzero) digits is 48384, while the sum is 40.

The spelling of 18113726830 in words is "eighteen billion, one hundred thirteen million, seven hundred twenty-six thousand, eight hundred thirty".