16616770 has 8 divisors (see below), whose sum is σ = 29910204. Its totient is φ = 6646704.

The previous prime is 16616759. The next prime is 16616783. The reversal of 16616770 is 7761661.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 13329801 + 3286969 = 3651^2 + 1813^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×16616770² = 552234090465800, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 830829 + ... + 830848.

Almost surely, 2^16616770 is an apocalyptic number.

16616770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16616770 is a deficient number, since it is larger than the sum of its proper divisors (13293434).

16616770 is a wasteful number, since it uses less digits than its factorization.

16616770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1661684.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 16616770 is about 4076.3672552899. The cubic root of 16616770 is about 255.1813140834.

The spelling of 16616770 in words is "sixteen million, six hundred sixteen thousand, seven hundred seventy".