10158990 has 32 divisors (see below), whose sum is σ = 25224480. Its totient is φ = 2615424.

The previous prime is 10158989. The next prime is 10158997. The reversal of 10158990 is 9985101.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10158997) 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 15 ways as a sum of consecutive naturals, for example, 4969 + ... + 6708.

It is an arithmetic number, because the mean of its divisors is an integer number (788265).

Almost surely, 2^10158990 is an apocalyptic number.

10158990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10158990 is an abundant number, since it is smaller than the sum of its proper divisors (15065490).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10158990 is a wasteful number, since it uses less digits than its factorization.

10158990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11716.

The product of its (nonzero) digits is 3240, while the sum is 33.

The square root of 10158990 is about 3187.3170535734. The cubic root of 10158990 is about 216.5792494161.

Subtracting from 10158990 its reverse (9985101), we obtain a square (173889 = 417²).

The spelling of 10158990 in words is "ten million, one hundred fifty-eight thousand, nine hundred ninety".