18803097830 has 16 divisors (see below), whose sum is σ = 36922446864. Its totient is φ = 6837490080.

The previous prime is 18803097799. The next prime is 18803097847. The reversal of 18803097830 is 3879030881.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85468517 + ... + 85468736.

It is an arithmetic number, because the mean of its divisors is an integer number (2307652929).

Almost surely, 2^18803097830 is an apocalyptic number.

18803097830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18803097830 is a deficient number, since it is larger than the sum of its proper divisors (18119349034).

18803097830 is a wasteful number, since it uses less digits than its factorization.

18803097830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170937271.

The product of its (nonzero) digits is 290304, while the sum is 47.

The spelling of 18803097830 in words is "eighteen billion, eight hundred three million, ninety-seven thousand, eight hundred thirty".