4051616 has 12 divisors (see below), whose sum is σ = 7976682. Its totient is φ = 2025792.

The previous prime is 4051613. The next prime is 4051631. The reversal of 4051616 is 6161504.

4051616 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., 3984016 + 67600 = 1996^2 + 260^2 .

It is a super-2 number, since 2×4051616² = 32831184422912, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4051591 and 4051600.

It is not an unprimeable number, because it can be changed into a prime (4051613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63275 + ... + 63338.

Almost surely, 2^4051616 is an apocalyptic number.

It is an amenable number.

4051616 is a deficient number, since it is larger than the sum of its proper divisors (3925066).

4051616 is a wasteful number, since it uses less digits than its factorization.

4051616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126623 (or 126615 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 4051616 is about 2012.8626381351. The cubic root of 4051616 is about 159.4199832527.

The spelling of 4051616 in words is "four million, fifty-one thousand, six hundred sixteen".