10116491 has 18 divisors (see below), whose sum is σ = 12932388. Its totient is φ = 7825440.

The previous prime is 10116487. The next prime is 10116499. The reversal of 10116491 is 19461101.

It is not a de Polignac number, because 10116491 - 2² = 10116487 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10116499) 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 17 ways as a sum of consecutive naturals, for example, 73775 + ... + 73911.

It is an arithmetic number, because the mean of its divisors is an integer number (718466).

Almost surely, 2^10116491 is an apocalyptic number.

10116491 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10116491 is a deficient number, since it is larger than the sum of its proper divisors (2815897).

10116491 is an equidigital number, since it uses as much as digits as its factorization.

10116491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299 (or 155 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 23.

The square root of 10116491 is about 3180.6431739508. The cubic root of 10116491 is about 216.2768155905.

Adding to 10116491 its reverse (19461101), we get a palindrome (29577592).

The spelling of 10116491 in words is "ten million, one hundred sixteen thousand, four hundred ninety-one".