16870168520 has 32 divisors (see below), whose sum is σ = 38524420800. Its totient is φ = 6647348928.

The previous prime is 16870168519. The next prime is 16870168559. The reversal of 16870168520 is 2586107861.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3144740 + ... + 3150099.

It is an arithmetic number, because the mean of its divisors is an integer number (1203888150).

Almost surely, 2^16870168520 is an apocalyptic number.

16870168520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16870168520 is an abundant number, since it is smaller than the sum of its proper divisors (21654252280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16870168520 is a wasteful number, since it uses less digits than its factorization.

16870168520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6294917 (or 6294913 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 44.

The spelling of 16870168520 in words is "sixteen billion, eight hundred seventy million, one hundred sixty-eight thousand, five hundred twenty".