10160621 has 4 divisors (see below), whose sum is σ = 10250652. Its totient is φ = 10070592.

The previous prime is 10160609. The next prime is 10160629. The reversal of 10160621 is 12606101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3759721 + 6400900 = 1939^2 + 2530^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10160621 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10160621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10160629) 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, 44846 + ... + 45071.

It is an arithmetic number, because the mean of its divisors is an integer number (2562663).

Almost surely, 2^10160621 is an apocalyptic number.

It is an amenable number.

10160621 is a deficient number, since it is larger than the sum of its proper divisors (90031).

10160621 is an equidigital number, since it uses as much as digits as its factorization.

10160621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90030.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 10160621 is about 3187.5729011271. The cubic root of 10160621 is about 216.5908392118.

Adding to 10160621 its reverse (12606101), we get a palindrome (22766722).

The spelling of 10160621 in words is "ten million, one hundred sixty thousand, six hundred twenty-one".