10165399 has 12 divisors (see below), whose sum is σ = 11109960. Its totient is φ = 9288720.

The previous prime is 10165391. The next prime is 10165409. The reversal of 10165399 is 99356101.

It is not a de Polignac number, because 10165399 - 2³ = 10165391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10165391) 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 11 ways as a sum of consecutive naturals, for example, 9984 + ... + 10954.

It is an arithmetic number, because the mean of its divisors is an integer number (925830).

Almost surely, 2^10165399 is an apocalyptic number.

10165399 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

10165399 is a deficient number, since it is larger than the sum of its proper divisors (944561).

10165399 is an equidigital number, since it uses as much as digits as its factorization.

10165399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038 (or 1019 counting only the distinct ones).

The product of its (nonzero) digits is 7290, while the sum is 34.

The square root of 10165399 is about 3188.3222860934. The cubic root of 10165399 is about 216.6247842780.

The spelling of 10165399 in words is "ten million, one hundred sixty-five thousand, three hundred ninety-nine".