1565164480067 has 4 divisors (see below), whose sum is σ = 1566510280440. Its totient is φ = 1563818679696.

The previous prime is 1565164480057. The next prime is 1565164480069. The reversal of 1565164480067 is 7600844615651.

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 1565164480067 - 2⁴ = 1565164480051 is a prime.

It is a super-4 number, since 4×1565164480067⁴ (a number of 50 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1565164480069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 672898442 + ... + 672900767.

It is an arithmetic number, because the mean of its divisors is an integer number (391627570110).

Almost surely, 2^{1565164480067} is an apocalyptic number.

1565164480067 is a deficient number, since it is larger than the sum of its proper divisors (1345800373).

1565164480067 is a wasteful number, since it uses less digits than its factorization.

1565164480067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1345800372.

The product of its (nonzero) digits is 4838400, while the sum is 53.

The spelling of 1565164480067 in words is "one trillion, five hundred sixty-five billion, one hundred sixty-four million, four hundred eighty thousand, sixty-seven".