162668202866261 has 4 divisors (see below), whose sum is σ = 162671604662400. Its totient is φ = 162664801070124.

The previous prime is 162668202866227. The next prime is 162668202866311.

It is a happy number.

162668202866261 is nontrivially palindromic in base 10.

162668202866261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 162668202866261 - 2⁴⁶ = 92299458688597 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 162668202866194 and 162668202866203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162668202836261) 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, 1700826341 + ... + 1700921978.

It is an arithmetic number, because the mean of its divisors is an integer number (40667901165600).

Almost surely, 2^{162668202866261} is an apocalyptic number.

It is an amenable number.

162668202866261 is a deficient number, since it is larger than the sum of its proper divisors (3401796139).

162668202866261 is an equidigital number, since it uses as much as digits as its factorization.

162668202866261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3401796138.

The product of its (nonzero) digits is 47775744, while the sum is 62.

The spelling of 162668202866261 in words is "one hundred sixty-two trillion, six hundred sixty-eight billion, two hundred two million, eight hundred sixty-six thousand, two hundred sixty-one".