66200504485 has 8 divisors (see below), whose sum is σ = 79481714040. Its totient is φ = 52932997824.

The previous prime is 66200504473. The next prime is 66200504497. The reversal of 66200504485 is 58440500266.

It is an interprime number because it is at equal distance from previous prime (66200504473) and next prime (66200504497).

It can be written as a sum of positive squares in 4 ways, for example, as 4130761441 + 62069743044 = 64271^2 + 249138^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 66200504485 - 2⁵ = 66200504453 is a prime.

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, 3415090 + ... + 3434419.

It is an arithmetic number, because the mean of its divisors is an integer number (9935214255).

Almost surely, 2^66200504485 is an apocalyptic number.

It is an amenable number.

66200504485 is a deficient number, since it is larger than the sum of its proper divisors (13281209555).

66200504485 is a wasteful number, since it uses less digits than its factorization.

66200504485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6851447.

The product of its (nonzero) digits is 230400, while the sum is 40.

The spelling of 66200504485 in words is "sixty-six billion, two hundred million, five hundred four thousand, four hundred eighty-five".