10158961 has 8 divisors (see below), whose sum is σ = 10590120. Its totient is φ = 9733248.

The previous prime is 10158959. The next prime is 10158971. The reversal of 10158961 is 16985101.

It can be written as a sum of positive squares in 4 ways, for example, as 1638400 + 8520561 = 1280^2 + 2919^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10158961 - 2¹ = 10158959 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10158971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2695 + ... + 5251.

It is an arithmetic number, because the mean of its divisors is an integer number (1323765).

Almost surely, 2^10158961 is an apocalyptic number.

It is an amenable number.

10158961 is a deficient number, since it is larger than the sum of its proper divisors (431159).

10158961 is a wasteful number, since it uses less digits than its factorization.

10158961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2723.

The product of its (nonzero) digits is 2160, while the sum is 31.

The square root of 10158961 is about 3187.3125042895. The cubic root of 10158961 is about 216.5790433325.

The spelling of 10158961 in words is "ten million, one hundred fifty-eight thousand, nine hundred sixty-one".