16616677 has 8 divisors (see below), whose sum is σ = 20716992. Its totient is φ = 12948000.

The previous prime is 16616669. The next prime is 16616693. The reversal of 16616677 is 77661661.

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

It is a cyclic number.

It is not a de Polignac number, because 16616677 - 2³ = 16616669 is a prime.

It is a super-2 number, since 2×16616677² = 552227909044658, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16616617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107824 + ... + 107977.

It is an arithmetic number, because the mean of its divisors is an integer number (2589624).

Almost surely, 2^16616677 is an apocalyptic number.

It is an amenable number.

16616677 is a deficient number, since it is larger than the sum of its proper divisors (4100315).

16616677 is a wasteful number, since it uses less digits than its factorization.

16616677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215819.

The product of its digits is 63504, while the sum is 40.

The square root of 16616677 is about 4076.3558480584. The cubic root of 16616677 is about 255.1808380200.

It can be divided in two parts, 1661 and 6677, that added together give a palindrome (8338).

The spelling of 16616677 in words is "sixteen million, six hundred sixteen thousand, six hundred seventy-seven".