10668555 has 24 divisors (see below), whose sum is σ = 18732480. Its totient is φ = 5616000.

The previous prime is 10668533. The next prime is 10668563. The reversal of 10668555 is 55586601.

It is not a de Polignac number, because 10668555 - 2⁹ = 10668043 is a prime.

It is a super-2 number, since 2×10668555² = 227636131576050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2055 + ... + 5055.

It is an arithmetic number, because the mean of its divisors is an integer number (780520).

Almost surely, 2^10668555 is an apocalyptic number.

10668555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10668555 is a deficient number, since it is larger than the sum of its proper divisors (8063925).

10668555 is a wasteful number, since it uses less digits than its factorization.

10668555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3091 (or 3088 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The square root of 10668555 is about 3266.2754017382. The cubic root of 10668555 is about 220.1414723667.

The spelling of 10668555 in words is "ten million, six hundred sixty-eight thousand, five hundred fifty-five".