10158081 has 4 divisors (see below), whose sum is σ = 13544112. Its totient is φ = 6772052.

The previous prime is 10158079. The next prime is 10158097. The reversal of 10158081 is 18085101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 18085101 = 3 ⋅6028367.

It is a cyclic number.

It is not a de Polignac number, because 10158081 - 2¹ = 10158079 is a prime.

It is a super-2 number, since 2×10158081² = 206373219205122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10158011) 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, 1693011 + ... + 1693016.

It is an arithmetic number, because the mean of its divisors is an integer number (3386028).

It is a Proth number, since it is equal to 155 ⋅ 2¹⁶ + 1 and 155 < 2¹⁶.

Almost surely, 2^10158081 is an apocalyptic number.

It is an amenable number.

10158081 is a deficient number, since it is larger than the sum of its proper divisors (3386031).

10158081 is an equidigital number, since it uses as much as digits as its factorization.

10158081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3386030.

The product of its (nonzero) digits is 320, while the sum is 24.

The square root of 10158081 is about 3187.1744539639. The cubic root of 10158081 is about 216.5727895742.

The spelling of 10158081 in words is "ten million, one hundred fifty-eight thousand, eighty-one".