10669788 has 36 divisors (see below), whose sum is σ = 27085968. Its totient is φ = 3541440.

The previous prime is 10669787. The next prime is 10669807. The reversal of 10669788 is 88796601.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-4 number, since 4×10669788⁴ (a number of 29 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10669787) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 10720 + ... + 11672.

It is an arithmetic number, because the mean of its divisors is an integer number (752388).

Almost surely, 2^10669788 is an apocalyptic number.

10669788 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

10669788 is an abundant number, since it is smaller than the sum of its proper divisors (16416180).

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

10669788 is a wasteful number, since it uses less digits than its factorization.

10669788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1274 (or 1269 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 10669788 is about 3266.4641433820. The cubic root of 10669788 is about 220.1499528647.

The spelling of 10669788 in words is "ten million, six hundred sixty-nine thousand, seven hundred eighty-eight".