1420520166163 has 4 divisors (see below), whose sum is σ = 1623451618480. Its totient is φ = 1217588713848.

The previous prime is 1420520166101. The next prime is 1420520166173. The reversal of 1420520166163 is 3616610250241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1420520166163 - 2⁹ = 1420520165651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1420520166173) 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, 101465726148 + ... + 101465726161.

It is an arithmetic number, because the mean of its divisors is an integer number (405862904620).

Almost surely, 2^{1420520166163} is an apocalyptic number.

1420520166163 is a deficient number, since it is larger than the sum of its proper divisors (202931452317).

1420520166163 is an equidigital number, since it uses as much as digits as its factorization.

1420520166163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202931452316.

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 1420520166163 in words is "one trillion, four hundred twenty billion, five hundred twenty million, one hundred sixty-six thousand, one hundred sixty-three".