10686021026704 has 15 divisors (see below), whose sum is σ = 20704191073617. Its totient is φ = 5343003975456.

The previous prime is 10686021026687. The next prime is 10686021026717. The reversal of 10686021026704 is 40762012068601.

The square root of 10686021026704 is 3268948.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 8077305043600 + 2608715983104 = 2842060^2 + 1615152^2 .

It is a super-2 number, since 2×10686021026704² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 12667174 + ... + 13484410.

Almost surely, 2^{10686021026704} is an apocalyptic number.

10686021026704 is the 3268948-th square number.

It is an amenable number.

10686021026704 is a deficient number, since it is larger than the sum of its proper divisors (10018170046913).

10686021026704 is an frugal number, since it uses more digits than its factorization.

10686021026704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1634482 (or 817239 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 43.

The spelling of 10686021026704 in words is "ten trillion, six hundred eighty-six billion, twenty-one million, twenty-six thousand, seven hundred four".