16861725080 has 32 divisors (see below), whose sum is σ = 37942581600. Its totient is φ = 6744032256.

The previous prime is 16861725071. The next prime is 16861725131. The reversal of 16861725080 is 8052716861.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 771341 + ... + 792899.

It is an arithmetic number, because the mean of its divisors is an integer number (1185705675).

Almost surely, 2^16861725080 is an apocalyptic number.

16861725080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16861725080 is an abundant number, since it is smaller than the sum of its proper divisors (21080856520).

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

16861725080 is a wasteful number, since it uses less digits than its factorization.

16861725080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41123 (or 41119 counting only the distinct ones).

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

The spelling of 16861725080 in words is "sixteen billion, eight hundred sixty-one million, seven hundred twenty-five thousand, eighty".