16860132 has 36 divisors (see below), whose sum is σ = 43049916. Its totient is φ = 5563200.

The previous prime is 16860121. The next prime is 16860149. The reversal of 16860132 is 23106861.

It can be written as a sum of positive squares in 2 ways, for example, as 11128896 + 5731236 = 3336^2 + 2394^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 16860096 and 16860105.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1318 + ... + 5954.

It is an arithmetic number, because the mean of its divisors is an integer number (1195831).

Almost surely, 2^16860132 is an apocalyptic number.

16860132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16860132 is an abundant number, since it is smaller than the sum of its proper divisors (26189784).

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

16860132 is a wasteful number, since it uses less digits than its factorization.

16860132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4748 (or 4743 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 16860132 is about 4106.1091071719. The cubic root of 16860132 is about 256.4210397267.

Adding to 16860132 its reverse (23106861), we get a palindrome (39966993).

The spelling of 16860132 in words is "sixteen million, eight hundred sixty thousand, one hundred thirty-two".