10664765 has 8 divisors (see below), whose sum is σ = 12891960. Its totient is φ = 8468992.

The previous prime is 10664761. The next prime is 10664783. The reversal of 10664765 is 56746601.

It can be written as a sum of positive squares in 4 ways, for example, as 942841 + 9721924 = 971^2 + 3118^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10664765 - 2² = 10664761 is a prime.

It is a super-2 number, since 2×10664765² = 227474425010450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10664761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7100 + ... + 8469.

It is an arithmetic number, because the mean of its divisors is an integer number (1611495).

Almost surely, 2^10664765 is an apocalyptic number.

It is an amenable number.

10664765 is a deficient number, since it is larger than the sum of its proper divisors (2227195).

10664765 is a wasteful number, since it uses less digits than its factorization.

10664765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15711.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 10664765 is about 3265.6951786718. The cubic root of 10664765 is about 220.1154008884.

The spelling of 10664765 in words is "ten million, six hundred sixty-four thousand, seven hundred sixty-five".