10516026621 has 16 divisors (see below), whose sum is σ = 14293352448. Its totient is φ = 6875727600.

The previous prime is 10516026611. The next prime is 10516026623. The reversal of 10516026621 is 12662061501.

It is not a de Polignac number, because 10516026621 - 2⁶ = 10516026557 is a prime.

It is a super-2 number, since 2×10516026621² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10516026623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88561 + ... + 169926.

It is an arithmetic number, because the mean of its divisors is an integer number (893334528).

Almost surely, 2^10516026621 is an apocalyptic number.

It is an amenable number.

10516026621 is a deficient number, since it is larger than the sum of its proper divisors (3777325827).

10516026621 is a wasteful number, since it uses less digits than its factorization.

10516026621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258752.

The product of its (nonzero) digits is 4320, while the sum is 30.

The spelling of 10516026621 in words is "ten billion, five hundred sixteen million, twenty-six thousand, six hundred twenty-one".