66562622001 has 24 divisors (see below), whose sum is σ = 101829480480. Its totient is φ = 41753367936.

The previous prime is 66562621963. The next prime is 66562622011. The reversal of 66562622001 is 10022626566.

66562622001 is a `hidden beast` number, since 6 + 6 + 5 + 626 + 2 + 20 + 0 + 1 = 666.

It is not a de Polignac number, because 66562622001 - 2¹⁹ = 66562097713 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (66562622011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 520626 + ... + 635748.

It is an arithmetic number, because the mean of its divisors is an integer number (4242895020).

Almost surely, 2^66562622001 is an apocalyptic number.

It is an amenable number.

66562622001 is a deficient number, since it is larger than the sum of its proper divisors (35266858479).

66562622001 is a wasteful number, since it uses less digits than its factorization.

66562622001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118925 (or 118922 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 66562622001 in words is "sixty-six billion, five hundred sixty-two million, six hundred twenty-two thousand, one".