10551616 has 28 divisors (see below), whose sum is σ = 21081492. Its totient is φ = 5239808.

The previous prime is 10551613. The next prime is 10551643. The reversal of 10551616 is 61615501.

It can be written as a sum of positive squares in 2 ways, for example, as 7311616 + 3240000 = 2704^2 + 1800^2 .

It is a super-2 number, since 2×10551616² = 222673200422912, which contains 22 as substring.

It is a nialpdrome in base 15.

It is a zygodrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10551613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10596 + ... + 11548.

Almost surely, 2^10551616 is an apocalyptic number.

10551616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

10551616 is a deficient number, since it is larger than the sum of its proper divisors (10529876).

10551616 is an equidigital number, since it uses as much as digits as its factorization.

10551616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1138 (or 1128 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 10551616 is about 3248.3251068820. The cubic root of 10551616 is about 219.3341853382.

The spelling of 10551616 in words is "ten million, five hundred fifty-one thousand, six hundred sixteen".