662166504897 has 8 divisors (see below), whose sum is σ = 921275137344. Its totient is φ = 422251104528.

The previous prime is 662166504799. The next prime is 662166504917. The reversal of 662166504897 is 798405661266.

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

It is not a de Polignac number, because 662166504897 - 2¹⁸ = 662166242753 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 662166504897.

It is not an unprimeable number, because it can be changed into a prime (662166504997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4798307938 + ... + 4798308075.

It is an arithmetic number, because the mean of its divisors is an integer number (115159392168).

Almost surely, 2^662166504897 is an apocalyptic number.

It is an amenable number.

662166504897 is a deficient number, since it is larger than the sum of its proper divisors (259108632447).

662166504897 is a wasteful number, since it uses less digits than its factorization.

662166504897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9596616039.

The product of its (nonzero) digits is 26127360, while the sum is 60.

The spelling of 662166504897 in words is "six hundred sixty-two billion, one hundred sixty-six million, five hundred four thousand, eight hundred ninety-seven".