10663696 has 20 divisors (see below), whose sum is σ = 21220492. Its totient is φ = 5187456.

The previous prime is 10663687. The next prime is 10663717. The reversal of 10663696 is 69636601.

It can be written as a sum of positive squares in 2 ways, for example, as 9734400 + 929296 = 3120^2 + 964^2 .

It is a super-3 number, since 3×10663696³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (37).

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, 8415 + ... + 9598.

Almost surely, 2^10663696 is an apocalyptic number.

10663696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

10663696 is the 1746-th centered heptagonal number.

It is an amenable number.

10663696 is a deficient number, since it is larger than the sum of its proper divisors (10556796).

10663696 is a wasteful number, since it uses less digits than its factorization.

10663696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18058 (or 18052 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 37.

The square root of 10663696 is about 3265.5315034463. The cubic root of 10663696 is about 220.1080461014.

The spelling of 10663696 in words is "ten million, six hundred sixty-three thousand, six hundred ninety-six".