9551668 has 18 divisors (see below), whose sum is σ = 19444866. Its totient is φ = 4093488.

The previous prime is 9551639. The next prime is 9551677. The reversal of 9551668 is 8661559.

9551668 is nontrivially palindromic in base 11.

9551668 is an esthetic number in base 11, because in such base its adjacent digits differ by 1.

It can be written as a sum of positive squares in only one way, i.e., 8892324 + 659344 = 2982^2 + 812^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 9551668.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24171 + ... + 24562.

Almost surely, 2^9551668 is an apocalyptic number.

9551668 is a gapful number since it is divisible by the number (98) formed by its first and last digit.

It is an amenable number.

9551668 is an abundant number, since it is smaller than the sum of its proper divisors (9893198).

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

9551668 is a wasteful number, since it uses less digits than its factorization.

9551668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48751 (or 48742 counting only the distinct ones).

The product of its digits is 64800, while the sum is 40.

The square root of 9551668 is about 3090.5772923517. The cubic root of 9551668 is about 212.1744440544.

The spelling of 9551668 in words is "nine million, five hundred fifty-one thousand, six hundred sixty-eight".