10669540 has 48 divisors (see below), whose sum is σ = 27119232. Its totient is φ = 3442176.

The previous prime is 10669537. The next prime is 10669543. The reversal of 10669540 is 4596601.

10669540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (10669537) and next prime (10669543).

It is a super-2 number, since 2×10669540² = 227678167623200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10669543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139 + ... + 4621.

It is an arithmetic number, because the mean of its divisors is an integer number (564984).

Almost surely, 2^10669540 is an apocalyptic number.

10669540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10669540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13559616).

10669540 is an abundant number, since it is smaller than the sum of its proper divisors (16449692).

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

10669540 is a wasteful number, since it uses less digits than its factorization.

10669540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4516 (or 4514 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 10669540 is about 3266.4261816242. The cubic root of 10669540 is about 220.1482471885.

The spelling of 10669540 in words is "ten million, six hundred sixty-nine thousand, five hundred forty".