10621016 has 16 divisors (see below), whose sum is σ = 22759440. Its totient is φ = 4551840.

The previous prime is 10621007. The next prime is 10621027. The reversal of 10621016 is 61012601.

It is a happy number.

It is a super-2 number, since 2×10621016² = 225611961744512, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10620985 and 10621003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94775 + ... + 94886.

It is an arithmetic number, because the mean of its divisors is an integer number (1422465).

Almost surely, 2^10621016 is an apocalyptic number.

It is an amenable number.

10621016 is an abundant number, since it is smaller than the sum of its proper divisors (12138424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10621016 is a wasteful number, since it uses less digits than its factorization.

10621016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189674 (or 189670 counting only the distinct ones).

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

The square root of 10621016 is about 3258.9900276006. The cubic root of 10621016 is about 219.8140025737.

Adding to 10621016 its reverse (61012601), we get a palindrome (71633617).

The spelling of 10621016 in words is "ten million, six hundred twenty-one thousand, sixteen".