66200017070054 has 16 divisors (see below), whose sum is σ = 116552925807648. Its totient is φ = 27604640322432.

The previous prime is 66200017069981. The next prime is 66200017070071. The reversal of 66200017070054 is 45007071000266.

It is a congruent number.

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, 63899629859 + ... + 63899630894.

It is an arithmetic number, because the mean of its divisors is an integer number (7284557862978).

Almost surely, 2^{66200017070054} is an apocalyptic number.

66200017070054 is a deficient number, since it is larger than the sum of its proper divisors (50352908737594).

66200017070054 is a wasteful number, since it uses less digits than its factorization.

66200017070054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127799260799.

The product of its (nonzero) digits is 70560, while the sum is 38.

The spelling of 66200017070054 in words is "sixty-six trillion, two hundred billion, seventeen million, seventy thousand, fifty-four".