10663690 has 32 divisors (see below), whose sum is σ = 20321280. Its totient is φ = 4022400.

The previous prime is 10663687. The next prime is 10663717. The reversal of 10663690 is 9636601.

It is a super-2 number, since 2×10663690² = 227428568832200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12291 + ... + 13129.

It is an arithmetic number, because the mean of its divisors is an integer number (635040).

Almost surely, 2^10663690 is an apocalyptic number.

10663690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10663690 is a deficient number, since it is larger than the sum of its proper divisors (9657590).

10663690 is a wasteful number, since it uses less digits than its factorization.

10663690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 10663690 is about 3265.5305847595. The cubic root of 10663690 is about 220.1080048196.

The spelling of 10663690 in words is "ten million, six hundred sixty-three thousand, six hundred ninety".