10661626 has 4 divisors (see below), whose sum is σ = 15992442. Its totient is φ = 5330812.

The previous prime is 10661611. The next prime is 10661653. The reversal of 10661626 is 62616601.

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

It can be written as a sum of positive squares in only one way, i.e., 10556001 + 105625 = 3249^2 + 325^2 .

It is a super-2 number, since 2×10661626² = 227340537927752, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10661594 and 10661603.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2665405 + ... + 2665408.

Almost surely, 2^10661626 is an apocalyptic number.

10661626 is a deficient number, since it is larger than the sum of its proper divisors (5330816).

10661626 is an equidigital number, since it uses as much as digits as its factorization.

10661626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5330815.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 10661626 is about 3265.2145411902. The cubic root of 10661626 is about 220.0938029741.

It can be divided in two parts, 106 and 61626, that multiplied together give a palindrome (6532356).

The spelling of 10661626 in words is "ten million, six hundred sixty-one thousand, six hundred twenty-six".