10666090 has 16 divisors (see below), whose sum is σ = 19289088. Its totient is φ = 4246416.

The previous prime is 10666069. The next prime is 10666093. The reversal of 10666090 is 9066601.

It is a happy number.

It is a super-2 number, since 2×10666090² = 227530951776200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10666093) 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, 162 + ... + 4621.

It is an arithmetic number, because the mean of its divisors is an integer number (1205568).

Almost surely, 2^10666090 is an apocalyptic number.

10666090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10666090 is a deficient number, since it is larger than the sum of its proper divisors (8622998).

10666090 is a wasteful number, since it uses less digits than its factorization.

10666090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5013.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 10666090 is about 3265.8980388248. The cubic root of 10666090 is about 220.1245162894.

The spelling of 10666090 in words is "ten million, six hundred sixty-six thousand, ninety".