66200017069995 has 16 divisors (see below), whose sum is σ = 105920136040992. Its totient is φ = 35306639527680.

The previous prime is 66200017069981. The next prime is 66200017070071. The reversal of 66200017069995 is 59996071000266.

It is not a de Polignac number, because 66200017069995 - 2³⁶ = 66131297593259 is a prime.

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, 19713705 + ... + 22826085.

It is an arithmetic number, because the mean of its divisors is an integer number (6620008502562).

Almost surely, 2^{66200017069995} is an apocalyptic number.

66200017069995 is a deficient number, since it is larger than the sum of its proper divisors (39720118970997).

66200017069995 is a wasteful number, since it uses less digits than its factorization.

66200017069995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4530382.

The product of its (nonzero) digits is 11022480, while the sum is 60.

The spelling of 66200017069995 in words is "sixty-six trillion, two hundred billion, seventeen million, sixty-nine thousand, nine hundred ninety-five".