10555966 has 4 divisors (see below), whose sum is σ = 15833952. Its totient is φ = 5277982.

The previous prime is 10555949. The next prime is 10555967. The reversal of 10555966 is 66955501.

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

It is a super-2 number, since 2×10555966² = 222856836386312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10555967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2638990 + ... + 2638993.

It is an arithmetic number, because the mean of its divisors is an integer number (3958488).

Almost surely, 2^10555966 is an apocalyptic number.

10555966 is a deficient number, since it is larger than the sum of its proper divisors (5277986).

10555966 is an equidigital number, since it uses as much as digits as its factorization.

10555966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5277985.

The product of its (nonzero) digits is 40500, while the sum is 37.

The square root of 10555966 is about 3248.9946137228. The cubic root of 10555966 is about 219.3643220372.

It can be divided in two parts, 105559 and 66, that added together give a square (105625 = 325²).

The spelling of 10555966 in words is "ten million, five hundred fifty-five thousand, nine hundred sixty-six".