662066363161 has 4 divisors (see below), whose sum is σ = 756647272192. Its totient is φ = 567485454132.

The previous prime is 662066363143. The next prime is 662066363177. The reversal of 662066363161 is 161363660266.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 662066363161 - 2³⁵ = 627706624793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (662066363261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47290454505 + ... + 47290454518.

It is an arithmetic number, because the mean of its divisors is an integer number (189161818048).

Almost surely, 2^662066363161 is an apocalyptic number.

It is an amenable number.

662066363161 is a deficient number, since it is larger than the sum of its proper divisors (94580909031).

662066363161 is an equidigital number, since it uses as much as digits as its factorization.

662066363161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94580909030.

The product of its (nonzero) digits is 839808, while the sum is 46.

The spelling of 662066363161 in words is "six hundred sixty-two billion, sixty-six million, three hundred sixty-three thousand, one hundred sixty-one".