10161885 has 8 divisors (see below), whose sum is σ = 16259040. Its totient is φ = 5419664.

The previous prime is 10161881. The next prime is 10161901. The reversal of 10161885 is 58816101.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 10161885 - 2² = 10161881 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10161881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 338715 + ... + 338744.

It is an arithmetic number, because the mean of its divisors is an integer number (2032380).

Almost surely, 2^10161885 is an apocalyptic number.

10161885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10161885 is a deficient number, since it is larger than the sum of its proper divisors (6097155).

10161885 is an equidigital number, since it uses as much as digits as its factorization.

10161885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677467.

The product of its (nonzero) digits is 1920, while the sum is 30.

The square root of 10161885 is about 3187.7711649364. The cubic root of 10161885 is about 216.5998202727.

Adding to 10161885 its reverse (58816101), we get a palindrome (68977986).

The spelling of 10161885 in words is "ten million, one hundred sixty-one thousand, eight hundred eighty-five".