4551616 has 14 divisors (see below), whose sum is σ = 9032240. Its totient is φ = 2275776.

The previous prime is 4551601. The next prime is 4551619. The reversal of 4551616 is 6161554.

It is a super-2 number, since 2×4551616² = 41434416422912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4551619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35496 + ... + 35623.

It is an arithmetic number, because the mean of its divisors is an integer number (645160).

Almost surely, 2^4551616 is an apocalyptic number.

It is an amenable number.

4551616 is a deficient number, since it is larger than the sum of its proper divisors (4480624).

4551616 is an equidigital number, since it uses as much as digits as its factorization.

4551616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71131 (or 71121 counting only the distinct ones).

The product of its digits is 3600, while the sum is 28.

The square root of 4551616 is about 2133.4516633849. The cubic root of 4551616 is about 165.7251949106.

The spelling of 4551616 in words is "four million, five hundred fifty-one thousand, six hundred sixteen".