10191995 has 8 divisors (see below), whose sum is σ = 13342320. Its totient is φ = 7412320.

The previous prime is 10191991. The next prime is 10192001. The reversal of 10191995 is 59919101.

10191995 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 10191995 - 2² = 10191991 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10191991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92600 + ... + 92709.

It is an arithmetic number, because the mean of its divisors is an integer number (1667790).

Almost surely, 2^10191995 is an apocalyptic number.

10191995 is a deficient number, since it is larger than the sum of its proper divisors (3150325).

10191995 is a wasteful number, since it uses less digits than its factorization.

10191995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185325.

The product of its (nonzero) digits is 3645, while the sum is 35.

The square root of 10191995 is about 3192.4904071900. The cubic root of 10191995 is about 216.8135401260.

The spelling of 10191995 in words is "ten million, one hundred ninety-one thousand, nine hundred ninety-five".