526066216126621 has 8 divisors (see below), whose sum is σ = 536201231860800. Its totient is φ = 515971821698880.

The previous prime is 526066216126567. The next prime is 526066216126631. The reversal of 526066216126621 is 126621612660625.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 526066216126621 - 2²¹ = 526066214029469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (526066216126631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10155300460 + ... + 10155352261.

It is an arithmetic number, because the mean of its divisors is an integer number (67025153982600).

Almost surely, 2^{526066216126621} is an apocalyptic number.

It is an amenable number.

526066216126621 is a deficient number, since it is larger than the sum of its proper divisors (10135015734179).

526066216126621 is a wasteful number, since it uses less digits than its factorization.

526066216126621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20310653219.

The product of its (nonzero) digits is 3732480, while the sum is 52.

The spelling of 526066216126621 in words is "five hundred twenty-six trillion, sixty-six billion, two hundred sixteen million, one hundred twenty-six thousand, six hundred twenty-one".