9826261664668 has 48 divisors (see below), whose sum is σ = 17400403722240. Its totient is φ = 4855052945600.

The previous prime is 9826261664647. The next prime is 9826261664701. The reversal of 9826261664668 is 8664661626289.

It is a junction number, because it is equal to n+sod(n) for n = 9826261664597 and 9826261664606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 297541605 + ... + 297574627.

It is an arithmetic number, because the mean of its divisors is an integer number (362508410880).

Almost surely, 2^{9826261664668} is an apocalyptic number.

It is an amenable number.

9826261664668 is a deficient number, since it is larger than the sum of its proper divisors (7574142057572).

9826261664668 is a wasteful number, since it uses less digits than its factorization.

9826261664668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35538 (or 35536 counting only the distinct ones).

The product of its digits is 429981696, while the sum is 70.

The spelling of 9826261664668 in words is "nine trillion, eight hundred twenty-six billion, two hundred sixty-one million, six hundred sixty-four thousand, six hundred sixty-eight".