18146970903 has 8 divisors (see below), whose sum is σ = 24196629888. Its totient is φ = 12097646264.

The previous prime is 18146970871. The next prime is 18146970911. The reversal of 18146970903 is 30907964181.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18146970903 - 2⁵ = 18146970871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18146970973) 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 7 ways as a sum of consecutive naturals, for example, 101800 + ... + 216002.

It is an arithmetic number, because the mean of its divisors is an integer number (3024578736).

Almost surely, 2^18146970903 is an apocalyptic number.

18146970903 is a deficient number, since it is larger than the sum of its proper divisors (6049658985).

18146970903 is a wasteful number, since it uses less digits than its factorization.

18146970903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167173.

The product of its (nonzero) digits is 326592, while the sum is 48.

The spelling of 18146970903 in words is "eighteen billion, one hundred forty-six million, nine hundred seventy thousand, nine hundred three".