18105146470 has 8 divisors (see below), whose sum is σ = 32589263664. Its totient is φ = 7242058584.

The previous prime is 18105146441. The next prime is 18105146483. The reversal of 18105146470 is 7464150181.

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

It is a super-3 number, since 3×18105146470³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 905257314 + ... + 905257333.

It is an arithmetic number, because the mean of its divisors is an integer number (4073657958).

Almost surely, 2^18105146470 is an apocalyptic number.

18105146470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18105146470 is a deficient number, since it is larger than the sum of its proper divisors (14484117194).

18105146470 is a wasteful number, since it uses less digits than its factorization.

18105146470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1810514654.

The product of its (nonzero) digits is 26880, while the sum is 37.

The spelling of 18105146470 in words is "eighteen billion, one hundred five million, one hundred forty-six thousand, four hundred seventy".