6610050661 has 16 divisors (see below), whose sum is σ = 7083085824. Its totient is φ = 6154372224.

The previous prime is 6610050659. The next prime is 6610050673. The reversal of 6610050661 is 1660500166.

It is a cyclic number.

It is not a de Polignac number, because 6610050661 - 2¹ = 6610050659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6610020661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133465 + ... + 176161.

It is an arithmetic number, because the mean of its divisors is an integer number (442692864).

Almost surely, 2^6610050661 is an apocalyptic number.

It is an amenable number.

6610050661 is a deficient number, since it is larger than the sum of its proper divisors (473035163).

6610050661 is a wasteful number, since it uses less digits than its factorization.

6610050661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42900.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 6610050661 is about 81302.2180570739. The cubic root of 6610050661 is about 1876.7291342330.

The spelling of 6610050661 in words is "six billion, six hundred ten million, fifty thousand, six hundred sixty-one".