18130549790 has 16 divisors (see below), whose sum is σ = 32869776240. Its totient is φ = 7200045120.

The previous prime is 18130549763. The next prime is 18130549859. The reversal of 18130549790 is 9794503181.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6520391 + ... + 6523170.

It is an arithmetic number, because the mean of its divisors is an integer number (2054361015).

Almost surely, 2^18130549790 is an apocalyptic number.

18130549790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18130549790 is a deficient number, since it is larger than the sum of its proper divisors (14739226450).

18130549790 is a wasteful number, since it uses less digits than its factorization.

18130549790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13043707.

The product of its (nonzero) digits is 272160, while the sum is 47.

The spelling of 18130549790 in words is "eighteen billion, one hundred thirty million, five hundred forty-nine thousand, seven hundred ninety".