10161656 has 16 divisors (see below), whose sum is σ = 20056200. Its totient is φ = 4813344.

The previous prime is 10161649. The next prime is 10161659. The reversal of 10161656 is 65616101.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10161659) 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 3 ways as a sum of consecutive naturals, for example, 33275 + ... + 33578.

Almost surely, 2^10161656 is an apocalyptic number.

It is an amenable number.

10161656 is a deficient number, since it is larger than the sum of its proper divisors (9894544).

10161656 is a wasteful number, since it uses less digits than its factorization.

10161656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66878 (or 66874 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 10161656 is about 3187.7352462211. The cubic root of 10161656 is about 216.5981932212.

Adding to 10161656 its reverse (65616101), we get a palindrome (75777757).

The spelling of 10161656 in words is "ten million, one hundred sixty-one thousand, six hundred fifty-six".