16155677 has 2 divisors, whose sum is σ = 16155678. Its totient is φ = 16155676.

The previous prime is 16155673. The next prime is 16155731. The reversal of 16155677 is 77655161.

16155677 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11874916 + 4280761 = 3446^2 + 2069^2 .

It is a cyclic number.

It is not a de Polignac number, because 16155677 - 2² = 16155673 is a prime.

It is a super-2 number, since 2×16155677² = 522011798656658, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16155677.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16155673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8077838 + 8077839.

It is an arithmetic number, because the mean of its divisors is an integer number (8077839).

Almost surely, 2^16155677 is an apocalyptic number.

It is an amenable number.

16155677 is a deficient number, since it is larger than the sum of its proper divisors (1).

16155677 is an equidigital number, since it uses as much as digits as its factorization.

16155677 is an evil number, because the sum of its binary digits is even.

The product of its digits is 44100, while the sum is 38.

The square root of 16155677 is about 4019.4125192620. The cubic root of 16155677 is about 252.7988266800.

The spelling of 16155677 in words is "sixteen million, one hundred fifty-five thousand, six hundred seventy-seven".