10626661 has 4 divisors (see below), whose sum is σ = 10637824. Its totient is φ = 10615500.

The previous prime is 10626617. The next prime is 10626677. The reversal of 10626661 is 16662601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10626661 - 2¹⁵ = 10593893 is a prime.

It is a super-2 number, since 2×10626661² = 225851848017842, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10626601) 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, 4005 + ... + 6106.

It is an arithmetic number, because the mean of its divisors is an integer number (2659456).

Almost surely, 2^10626661 is an apocalyptic number.

It is an amenable number.

10626661 is a deficient number, since it is larger than the sum of its proper divisors (11163).

10626661 is a wasteful number, since it uses less digits than its factorization.

10626661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11162.

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

The square root of 10626661 is about 3259.8559784138. The cubic root of 10626661 is about 219.8529389076.

The spelling of 10626661 in words is "ten million, six hundred twenty-six thousand, six hundred sixty-one".