10168621 has 2 divisors, whose sum is σ = 10168622. Its totient is φ = 10168620.

The previous prime is 10168603. The next prime is 10168637. The reversal of 10168621 is 12686101.

10168621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9066121 + 1102500 = 3011^2 + 1050^2 .

It is a cyclic number.

It is not a de Polignac number, because 10168621 - 2¹¹ = 10166573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10168661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5084310 + 5084311.

It is an arithmetic number, because the mean of its divisors is an integer number (5084311).

Almost surely, 2^10168621 is an apocalyptic number.

10168621 is the 1705-th centered heptagonal number.

It is an amenable number.

10168621 is a deficient number, since it is larger than the sum of its proper divisors (1).

10168621 is an equidigital number, since it uses as much as digits as its factorization.

10168621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 10168621 is about 3188.8275274778. The cubic root of 10168621 is about 216.6476688142.

The spelling of 10168621 in words is "ten million, one hundred sixty-eight thousand, six hundred twenty-one".