10666477 has 4 divisors (see below), whose sum is σ = 10674976. Its totient is φ = 10657980.

The previous prime is 10666459. The next prime is 10666493. The reversal of 10666477 is 77466601.

10666477 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, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 77466601 = 1693 ⋅45757.

It is a cyclic number.

It is not a de Polignac number, because 10666477 - 2¹⁵ = 10633709 is a prime.

It is a super-2 number, since 2×10666477² = 227547463183058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10666417) 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, 1953 + ... + 5014.

It is an arithmetic number, because the mean of its divisors is an integer number (2668744).

Almost surely, 2^10666477 is an apocalyptic number.

It is an amenable number.

10666477 is a deficient number, since it is larger than the sum of its proper divisors (8499).

10666477 is an equidigital number, since it uses as much as digits as its factorization.

10666477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8498.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 10666477 is about 3265.9572869222. The cubic root of 10666477 is about 220.1271785320.

It can be divided in two parts, 106664 and 77, that multiplied together give a palindrome (8213128).

The spelling of 10666477 in words is "ten million, six hundred sixty-six thousand, four hundred seventy-seven".