10551664 has 40 divisors (see below), whose sum is σ = 21775392. Its totient is φ = 4942080.

The previous prime is 10551661. The next prime is 10551689. The reversal of 10551664 is 46615501.

It is a super-2 number, since 2×10551664² = 222675226337792, 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 (10551661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19234 + ... + 19774.

Almost surely, 2^10551664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10551664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10887696).

10551664 is an abundant number, since it is smaller than the sum of its proper divisors (11223728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10551664 is a wasteful number, since it uses less digits than its factorization.

10551664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625 (or 619 counting only the distinct ones).

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

The square root of 10551664 is about 3248.3324952966. The cubic root of 10551664 is about 219.3345179263.

The spelling of 10551664 in words is "ten million, five hundred fifty-one thousand, six hundred sixty-four".