16661060 has 24 divisors (see below), whose sum is σ = 37680216. Its totient is φ = 6151680.

The previous prime is 16660979. The next prime is 16661083. The reversal of 16661060 is 6016661.

It can be written as a sum of positive squares in 4 ways, for example, as 30976 + 16630084 = 176^2 + 4078^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31781 + ... + 32300.

It is an arithmetic number, because the mean of its divisors is an integer number (1570009).

Almost surely, 2^16661060 is an apocalyptic number.

16661060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16661060 is an abundant number, since it is smaller than the sum of its proper divisors (21019156).

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

16661060 is a wasteful number, since it uses less digits than its factorization.

16661060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64103 (or 64101 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 16661060 is about 4081.7961732551. The cubic root of 16661060 is about 255.4078313084.

The spelling of 16661060 in words is "sixteen million, six hundred sixty-one thousand, sixty".