16745821060 has 24 divisors (see below), whose sum is σ = 36023938776. Its totient is φ = 6534954240.

The previous prime is 16745821039. The next prime is 16745821073. The reversal of 16745821060 is 6012854761.

It can be written as a sum of positive squares in 4 ways, for example, as 2672269636 + 14073551424 = 51694^2 + 118632^2 .

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, 10210047 + ... + 10211686.

It is an arithmetic number, because the mean of its divisors is an integer number (1500997449).

Almost surely, 2^16745821060 is an apocalyptic number.

16745821060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16745821060 is an abundant number, since it is smaller than the sum of its proper divisors (19278117716).

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

16745821060 is a wasteful number, since it uses less digits than its factorization.

16745821060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20421783 (or 20421781 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 40.

The spelling of 16745821060 in words is "sixteen billion, seven hundred forty-five million, eight hundred twenty-one thousand, sixty".