52218358066 has 16 divisors (see below), whose sum is σ = 90353797056. Its totient is φ = 22170143376.

The previous prime is 52218357953. The next prime is 52218358079. The reversal of 52218358066 is 66085381225.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17427861 + ... + 17430856.

It is an arithmetic number, because the mean of its divisors is an integer number (5647112316).

Almost surely, 2^52218358066 is an apocalyptic number.

52218358066 is a deficient number, since it is larger than the sum of its proper divisors (38135438990).

52218358066 is a wasteful number, since it uses less digits than its factorization.

52218358066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34858833.

The product of its (nonzero) digits is 691200, while the sum is 46.

The spelling of 52218358066 in words is "fifty-two billion, two hundred eighteen million, three hundred fifty-eight thousand, sixty-six".