66213142301518 has 32 divisors (see below), whose sum is σ = 102683147643648. Its totient is φ = 31988781273600.

The previous prime is 66213142301507. The next prime is 66213142301533. The reversal of 66213142301518 is 81510324131266.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131170048 + ... + 131673868.

It is an arithmetic number, because the mean of its divisors is an integer number (3208848363864).

Almost surely, 2^{66213142301518} is an apocalyptic number.

66213142301518 is a deficient number, since it is larger than the sum of its proper divisors (36470005342130).

66213142301518 is a wasteful number, since it uses less digits than its factorization.

66213142301518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507148.

The product of its (nonzero) digits is 207360, while the sum is 43.

The spelling of 66213142301518 in words is "sixty-six trillion, two hundred thirteen billion, one hundred forty-two million, three hundred one thousand, five hundred eighteen".