16155316 has 6 divisors (see below), whose sum is σ = 28271810. Its totient is φ = 8077656.

The previous prime is 16155311. The next prime is 16155317. The reversal of 16155316 is 61355161.

16155316 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 11532816 + 4622500 = 3396^2 + 2150^2 .

It is a super-3 number, since 3×16155316³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16155311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2019411 + ... + 2019418.

Almost surely, 2^16155316 is an apocalyptic number.

It is an amenable number.

16155316 is a deficient number, since it is larger than the sum of its proper divisors (12116494).

16155316 is a wasteful number, since it uses less digits than its factorization.

16155316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4038833 (or 4038831 counting only the distinct ones).

The product of its digits is 2700, while the sum is 28.

The square root of 16155316 is about 4019.3676119509. The cubic root of 16155316 is about 252.7969437287.

It can be divided in two parts, 16155 and 316, that added together give a triangular number (16471 = T₁₈₁).

The spelling of 16155316 in words is "sixteen million, one hundred fifty-five thousand, three hundred sixteen".