10665155 has 4 divisors (see below), whose sum is σ = 12798192. Its totient is φ = 8532120.

The previous prime is 10665143. The next prime is 10665157. The reversal of 10665155 is 55156601.

10665155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-10665155 is a prime.

It is a super-2 number, since 2×10665155² = 227491062348050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10665157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1066511 + ... + 1066520.

It is an arithmetic number, because the mean of its divisors is an integer number (3199548).

Almost surely, 2^10665155 is an apocalyptic number.

10665155 is a deficient number, since it is larger than the sum of its proper divisors (2133037).

10665155 is an equidigital number, since it uses as much as digits as its factorization.

10665155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2133036.

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 10665155 is about 3265.7548897613. The cubic root of 10665155 is about 220.1180839905.

The spelling of 10665155 in words is "ten million, six hundred sixty-five thousand, one hundred fifty-five".