66052510665622 has 16 divisors (see below), whose sum is σ = 106700497388352. Its totient is φ = 30485691910080.

The previous prime is 66052510665619. The next prime is 66052510665677. The reversal of 66052510665622 is 22656601525066.

66052510665622 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 66052510665622.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6994083 + ... + 13454449.

It is an arithmetic number, because the mean of its divisors is an integer number (6668781086772).

Almost surely, 2^{66052510665622} is an apocalyptic number.

66052510665622 is a deficient number, since it is larger than the sum of its proper divisors (40647986722730).

66052510665622 is a wasteful number, since it uses less digits than its factorization.

66052510665622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6853623.

The product of its (nonzero) digits is 7776000, while the sum is 52.

The spelling of 66052510665622 in words is "sixty-six trillion, fifty-two billion, five hundred ten million, six hundred sixty-five thousand, six hundred twenty-two".