53660550606666 has 96 divisors (see below), whose sum is σ = 114987885124608. Its totient is φ = 16688096267040.

The previous prime is 53660550606659. The next prime is 53660550606673. The reversal of 53660550606666 is 66660605506635.

53660550606666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (53660550606659) and next prime (53660550606673).

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 47 ways as a sum of consecutive naturals, for example, 570427551 + ... + 570521613.

It is an arithmetic number, because the mean of its divisors is an integer number (1197790470048).

Almost surely, 2^{53660550606666} is an apocalyptic number.

53660550606666 is an abundant number, since it is smaller than the sum of its proper divisors (61327334517942).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53660550606666 is a wasteful number, since it uses less digits than its factorization.

53660550606666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98104 (or 98085 counting only the distinct ones).

The product of its (nonzero) digits is 104976000, while the sum is 60.

The spelling of 53660550606666 in words is "fifty-three trillion, six hundred sixty billion, five hundred fifty million, six hundred six thousand, six hundred sixty-six".