10664531 has 4 divisors (see below), whose sum is σ = 10682064. Its totient is φ = 10647000.

The previous prime is 10664519. The next prime is 10664561. The reversal of 10664531 is 13546601.

10664531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10664531 - 2¹⁴ = 10648147 is a prime.

It is a super-2 number, since 2×10664531² = 227464442899922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10664531.

It is not an unprimeable number, because it can be changed into a prime (10664561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7820 + ... + 9081.

It is an arithmetic number, because the mean of its divisors is an integer number (2670516).

Almost surely, 2^10664531 is an apocalyptic number.

10664531 is a deficient number, since it is larger than the sum of its proper divisors (17533).

10664531 is an equidigital number, since it uses as much as digits as its factorization.

10664531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17532.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 10664531 is about 3265.6593514940. The cubic root of 10664531 is about 220.1137909958.

The spelling of 10664531 in words is "ten million, six hundred sixty-four thousand, five hundred thirty-one".