10061891 has 16 divisors (see below), whose sum is σ = 12049344. Its totient is φ = 8221824.

The previous prime is 10061881. The next prime is 10061911. The reversal of 10061891 is 19816001.

It is a cyclic number.

It is not a de Polignac number, because 10061891 - 2¹⁴ = 10045507 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 10061891.

It is not an unprimeable number, because it can be changed into a prime (10061861) 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, 13361 + ... + 14093.

It is an arithmetic number, because the mean of its divisors is an integer number (753084).

Almost surely, 2^10061891 is an apocalyptic number.

10061891 is a deficient number, since it is larger than the sum of its proper divisors (1987453).

10061891 is an equidigital number, since it uses as much as digits as its factorization.

10061891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830.

The product of its (nonzero) digits is 432, while the sum is 26.

The square root of 10061891 is about 3172.0483918125. The cubic root of 10061891 is about 215.8870222507.

Adding to 10061891 its reverse (19816001), we get a palindrome (29877892).

The spelling of 10061891 in words is "ten million, sixty-one thousand, eight hundred ninety-one".