610661061 has 12 divisors (see below), whose sum is σ = 905906092. Its totient is φ = 396104256.

The previous prime is 610661059. The next prime is 610661087. The reversal of 610661061 is 160166016.

610661061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 273240900 + 337420161 = 16530^2 + 18369^2 .

It is not a de Polignac number, because 610661061 - 2¹ = 610661059 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 (610661021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 916576 + ... + 917241.

Almost surely, 2^610661061 is an apocalyptic number.

It is an amenable number.

610661061 is a deficient number, since it is larger than the sum of its proper divisors (295245031).

610661061 is a wasteful number, since it uses less digits than its factorization.

610661061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1833860 (or 1833857 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 610661061 is about 24711.5572354314. The cubic root of 610661061 is about 848.3988594207.

The spelling of 610661061 in words is "six hundred ten million, six hundred sixty-one thousand, sixty-one".