10661255 has 8 divisors (see below), whose sum is σ = 13956624. Its totient is φ = 7753600.

The previous prime is 10661249. The next prime is 10661263. The reversal of 10661255 is 55216601.

10661255 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10661255 - 2⁴ = 10661239 is a prime.

It is a super-2 number, since 2×10661255² = 227324716350050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96866 + ... + 96975.

It is an arithmetic number, because the mean of its divisors is an integer number (1744578).

Almost surely, 2^10661255 is an apocalyptic number.

10661255 is a deficient number, since it is larger than the sum of its proper divisors (3295369).

10661255 is a wasteful number, since it uses less digits than its factorization.

10661255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193857.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 10661255 is about 3265.1577297276. The cubic root of 10661255 is about 220.0912500255.

Adding to 10661255 its reverse (55216601), we get a palindrome (65877856).

The spelling of 10661255 in words is "ten million, six hundred sixty-one thousand, two hundred fifty-five".