1065404162563 has 4 divisors (see below), whose sum is σ = 1147358328928. Its totient is φ = 983449996200.

The previous prime is 1065404162423. The next prime is 1065404162579. The reversal of 1065404162563 is 3652614045601.

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 1065404162563 - 2⁹ = 1065404162051 is a prime.

It is a super-2 number, since 2×1065404162563² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1065404162063) 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, 40977083163 + ... + 40977083188.

It is an arithmetic number, because the mean of its divisors is an integer number (286839582232).

Almost surely, 2^{1065404162563} is an apocalyptic number.

1065404162563 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1065404162563 is a deficient number, since it is larger than the sum of its proper divisors (81954166365).

1065404162563 is an equidigital number, since it uses as much as digits as its factorization.

1065404162563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81954166364.

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 1065404162563 in words is "one trillion, sixty-five billion, four hundred four million, one hundred sixty-two thousand, five hundred sixty-three".