10664540 has 12 divisors (see below), whose sum is σ = 22395576. Its totient is φ = 4265808.

The previous prime is 10664519. The next prime is 10664561. The reversal of 10664540 is 4546601.

It is a happy number.

10664540 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 (10664519) and next prime (10664561).

It is a super-2 number, since 2×10664540² = 227464826823200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 266594 + ... + 266633.

It is an arithmetic number, because the mean of its divisors is an integer number (1866298).

Almost surely, 2^10664540 is an apocalyptic number.

10664540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10664540 is an abundant number, since it is smaller than the sum of its proper divisors (11731036).

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

10664540 is a wasteful number, since it uses less digits than its factorization.

10664540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533236 (or 533234 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 10664540 is about 3265.6607294696. The cubic root of 10664540 is about 220.1138529152.

It can be divided in two parts, 106 and 64540, that added together give a palindrome (64646).

The spelling of 10664540 in words is "ten million, six hundred sixty-four thousand, five hundred forty".