66122560562 has 8 divisors (see below), whose sum is σ = 105018184476. Its totient is φ = 31116499072.

The previous prime is 66122560519. The next prime is 66122560571. The reversal of 66122560562 is 26506522166.

66122560562 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 65838941281 + 283619281 = 256591^2 + 16841^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 972390563 + ... + 972390630.

Almost surely, 2^66122560562 is an apocalyptic number.

66122560562 is a deficient number, since it is larger than the sum of its proper divisors (38895623914).

66122560562 is a wasteful number, since it uses less digits than its factorization.

66122560562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1944781212.

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 66122560562 in words is "sixty-six billion, one hundred twenty-two million, five hundred sixty thousand, five hundred sixty-two".