10158666 has 16 divisors (see below), whose sum is σ = 23219904. Its totient is φ = 2902464.

The previous prime is 10158641. The next prime is 10158667. The reversal of 10158666 is 66685101.

It is not an unprimeable number, because it can be changed into a prime (10158667) 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, 120895 + ... + 120978.

It is an arithmetic number, because the mean of its divisors is an integer number (1451244).

Almost surely, 2^10158666 is an apocalyptic number.

10158666 is an abundant number, since it is smaller than the sum of its proper divisors (13061238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10158666 is a wasteful number, since it uses less digits than its factorization.

10158666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241885.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 10158666 is about 3187.2662267216. The cubic root of 10158666 is about 216.5769469424.

The spelling of 10158666 in words is "ten million, one hundred fifty-eight thousand, six hundred sixty-six".