9958606061 has 4 divisors (see below), whose sum is σ = 10302006300. Its totient is φ = 9615205824.

The previous prime is 9958606051. The next prime is 9958606093. The reversal of 9958606061 is 1606068599.

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

It can be written as a sum of positive squares in 2 ways, for example, as 6821934025 + 3136672036 = 82595^2 + 56006^2 .

It is a cyclic number.

It is not a de Polignac number, because 9958606061 - 2¹⁰ = 9958605037 is a prime.

It is a super-3 number, since 3×9958606061³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9958606051) 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, 171700076 + ... + 171700133.

It is an arithmetic number, because the mean of its divisors is an integer number (2575501575).

Almost surely, 2^9958606061 is an apocalyptic number.

It is an amenable number.

9958606061 is a deficient number, since it is larger than the sum of its proper divisors (343400239).

9958606061 is a wasteful number, since it uses less digits than its factorization.

9958606061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343400238.

The product of its (nonzero) digits is 699840, while the sum is 50.

The square root of 9958606061 is about 99792.8156782842. The cubic root of 9958606061 is about 2151.4578942644.

The spelling of 9958606061 in words is "nine billion, nine hundred fifty-eight million, six hundred six thousand, sixty-one".