1061606061 has 16 divisors (see below), whose sum is σ = 1606214400. Its totient is φ = 692678304.

The previous prime is 1061606047. The next prime is 1061606069. The reversal of 1061606061 is 1606061601.

It is not a de Polignac number, because 1061606061 - 2¹⁰ = 1061605037 is a prime.

It is a super-2 number, since 2×1061606061² = 2254014857503871442, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1061606069) 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, 417016 + ... + 419553.

It is an arithmetic number, because the mean of its divisors is an integer number (100388400).

Almost surely, 2^1061606061 is an apocalyptic number.

It is an amenable number.

1061606061 is a deficient number, since it is larger than the sum of its proper divisors (544608339).

1061606061 is an equidigital number, since it uses as much as digits as its factorization.

1061606061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 836625 (or 836619 counting only the distinct ones).

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

The square root of 1061606061 is about 32582.2967422495. The cubic root of 1061606061 is about 1020.1275186592.

Adding to 1061606061 its reverse (1606061601), we get a palindrome (2667667662).

The spelling of 1061606061 in words is "one billion, sixty-one million, six hundred six thousand, sixty-one".