16974815505 has 8 divisors (see below), whose sum is σ = 27159704832. Its totient is φ = 9053234928.

The previous prime is 16974815447. The next prime is 16974815519. The reversal of 16974815505 is 50551847961.

16974815505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a de Polignac number, because none of the positive numbers 2^k-16974815505 is a prime.

It is a super-2 number, since 2×16974815505² (a number of 21 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 565827169 + ... + 565827198.

It is an arithmetic number, because the mean of its divisors is an integer number (3394963104).

Almost surely, 2^16974815505 is an apocalyptic number.

16974815505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16974815505 is a deficient number, since it is larger than the sum of its proper divisors (10184889327).

16974815505 is a wasteful number, since it uses less digits than its factorization.

16974815505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1131654375.

The product of its (nonzero) digits is 1512000, while the sum is 51.

The spelling of 16974815505 in words is "sixteen billion, nine hundred seventy-four million, eight hundred fifteen thousand, five hundred five".